This trope is about characters who wouldn't fit together now, for whatever reason, but about whom there is a general consensus [[{{Fanon}} in the fandom]] -- even in fics focused on another pairing -- that they used to date/have slept together at some point in the past.

This does not apply to {{Canon}} exes.

May be secondary to another pairing, not considered a threat but treated rather condescendingly, as in the ''{{Series/Merlin|2008}}'' examples below. Alternatively, it may be a popular ship which assumes that the FoeRomanceSubtext they have now is due to a horrible, horrible break-up.

Not to be confused with DryDocking, which is about fans opposing ''any'' canon ships for a character in order to free the character up for [[SelfInsertFic their own fantasies]].

Compare {{Starboarding}}.

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!!Examples:

[[folder:Anime & Manga]]
* ''Manga/{{Beastars}}'': Gosha/Yafya. The two were extremely close when young, and even had big plans together, but their relationship and plans went sour when Gosha impregnated a female wolf and abandoned him to start a family. Some fans extrapolate this into them being lovers, or at the very least, Yafya being in love with Gosha then, [[UnrequitedLoveLastsForever and still not quite over him]].
* In ''Manga/FullmetalAlchemist'' fanfiction featuring a Roy/Hughes pairing, it's nearly always set while they're cadets before Hughes met his wife Gracia.
* In ''Manga/FushigiYuugi'' slash fic revolving around either Tasuki or Kouji, it's very often assumed they're either former lovers or friends-with-benefits, regardless of whatever the central pairing of the fic turns out to be. Canon more strongly seems to indicate they're HeterosexualLifePartners.
** Also, Hotohori x Nuriko.
* This is a common occurrence in the ''Webcomic/HetaliaAxisPowers'' fandom, thanks to the characters being [[MoeAnthropomorphism nations]] who presumably have had numerous alliances, treaties, and fluctuating relations with other nations over the course of history. While America/Lithuania isn't a hugely popular ship, even some fans that ship America with someone else think that the two probably had a thing going on during the twenties when Lithuania was living at America's house. Similar cases have also been made for England and France, America and Japan, England and Japan and Russia and China. And of course, even the most ardent Prussia/Hungary shippers have to acknowledge that Hungary used to be married to Austria. Though generally not focused on much by canon or fandom, Austria also used to be married to Spain and, it is suggested, France. Austria has been married to quite a lot of people actually. Apparently he really gets around. And there's Russia/Finland, and Sweden/Norway…
* ''Anime/{{K}}'':
** As one of the best examples of ShipTeasing, Red and Blue Kings Mikoto and Reisi ([[PortmanteauCoupleName MikoRei]]) get this.
** So do their thirds-in-command, Saruhiko and Misaki, who have even ''more'' FoeRomanceSubtext moments in the anime and shippy official art (showing them when they were friends before Saruhiko left the Red Clan and joined the Blue Clan).
* Sometimes after [[JerkAss Sakura Kyoko]] made [[TheReasonYouSuckSpeech her first appearance]] in ''Anime/PuellaMagiMadokaMagica'', people suspected her of having had a relationship with [[CoolBigSis Tomoe Mami]] in the past, since she did acknowledge knowing her. They had at least been friends and partners in magical girl activities, but [[PaterFamilicide the situation in Kyoko's house]] made her [[FaceHeelTurn adopt a paradigm]] that goes completely the opposite of Mami's.
* In ''Manga/{{Spiral}}'', almost any fic featuring slash and dealing with Kanone and/or Eyes, but not being primarily [=KanonexEyes=], will still mention them at least having been together at some point. Kanone is very, very often the psycho and/or dead ex when the author wants to pair Eyes with another guy.
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[[folder:Comic Books]]
* ''ComicBook/XMen'' -- [[HoYay Magneto/Professor X]]. [[Creator/IanMcKellen Magneto's actor]] in [[Film/XMen1 the 2000 movie]], who happens to be gay, has made allusions to playing the character as such, as have [[Creator/JamesMcAvoy the]] [[Creator/MichaelFassbender actors]] playing them in [[Film/XMenFirstClass the prequel series]].
* Once, ComicBook/{{Wolverine}} and ComicBook/SquirrelGirl had a chance meeting, and some of their uncomfortable small talk implies they once had at least a fling. Additionally, in [[JourneyToTheCenterOfTheMind Wolverine's mind]] there is a room marked "Sexual Fantasies", in which there is Squirrel Girl along with several other women.
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[[folder:Film]]
* ''[[Film/BenHur1959 Ben-Hur]]'' (1959): It is widely alleged that Messala's actor Creator/StephenBoyd was told to portray Messala as trying to rekindle his relationship with Judah (Creator/CharltonHeston), Judah's wasn't, hence the impression of this trope.
* ''Film/GoldenEye'': The way James Bond reacts to Alec Trevelyan's betrayal seems more [[FoeRomanceSubtext like a lover's reaction]] than a co-worker's.
* ''Film/TheSchoolForGoodAndEvil2022'': Surprisingly, a lot of fans walked away from this teen-centric film shipping the Deans of the two schools, Professor Dovey and Lady Lesso, together instead of any of the actual students, mainly due to the chemistry between Creator/CharlizeTheron (Lesso) and Creator/KerryWashington (Dovey). A lot of fans headcanon that Dovey and Lesso used to date as teens before breaking up, and like to write fics where they get back together.
* ''Franchise/StarWars'': Some shippers choose to think that [[BrotherSisterIncest Luke and Leia]] got into a relationship that eventually ended in between ''Film/ANewHope'' and ''Film/TheEmpireStrikesBack'', before they knew that they [[SurpriseIncest were brother and sister]], due to the novelization of the first film strongly implying they were going to get in a relationship at the end.
** Continues into the Sequel Trilogy. A popular-ish {{Fanon}} theory (which may or may not be {{Jossed}} by canon) was that, of all people [[TheAce Poe Dameron]] and [[FallenHero Kylo Ren]] used to be lovers before Kylo’s fall. Overlaps with We Used To Be Friends thanks to the theory that they knew each other in childhood, building off the canon factoid of the Damerons and the Solos being war buddies. Poe recognizing Kylo on Crait without his helmet and, in the comics, Poe’s access code for his X-wing including the name “Ben” (a name that, among others, was Kylo’s name before he fell. To this day, that plot thread still hasn’t been resolved) only adds more fuel to the fire.
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[[folder:Literature]]
* ''Literature/HarryPotter'':
** Even before [[spoiler:Sirius died]], most Remus/Sirius shipping was set back when the Marauders were still at Hogwarts.
** Dorcas Meadowes and Marlene [=McKinnon=] are both only mentioned once in passing to say that they were murdered. However, due to this vagueness, it is quite popular in the fandom to head canon that they dated at Hogwarts before breaking up sometime afterwards.
** {{Fanon}} often makes Charlie and Tonks AmicableExes, apparently for [[ShipsThatPassInTheNight no other reason than]] the fact that, if you do the math, they were apparently in the same Hogwarts year.
** A popular fanon is the idea that Severus Snape and Narcissa Malfoy dated at some point before Narcissa married Lucius. It's partly due to how intimate they seem when she visits him at Spinner's End.
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[[folder:Live Action TV]]
* Buddies Helo and Kara of ''Series/{{Battlestar Galactica|2003}}'' are widely regarded to have slept together prior to the series.
* Giles/Ethan in ''Series/BuffyTheVampireSlayer'', along with various vampire pairings. Spike/Angel in particular has been pretty much confirmed by WordOfGod.
* The idea that KC and Bianca have slept together at least once seems to be one of the few fully agreed upon and common opinions in the DTC ("Franchise/{{Degrassi}}" Tumblr Community).
* ''Series/DoctorWho'': Almost all Doctor/Master fans assume that the two were lovers and went through a break-up of some kind before they both left Gallifrey, especially given that the [[Franchise/DoctorWhoExpandedUniverse Expanded Universe]] made it explicitly clear that Theta Sigma and Koschei [[note]] Koschei might be a nickname like the Doctor's, as the writer using it as his real name forgot that in the novel that first uses it the Doctor says it's a pseudonym.[[/note]] were friends throughout their time at the Academy, a fact that was hinted at in Classic Who and confirmed in "The End of Time". The endless FoeRomanceSubtext -- particularly in post-2005 canon, where it has come very close to "fully text" -- seems to support this. One Expanded Universe writer has said the Doctor/Master relationship ''only'' makes sense as "bitter exes".
* There is speculation in the ''Series/{{Firefly}}'' fandom that Kaylee and Jayne hooked up a couple times in the past, in a friends-with-benefits sort of formula. As the only two long-standing crew members to be [[PairTheSpares otherwise-unpaired]], both of whom have lines about [[IllBeInMyBunk having to take care of themselves]] as a result... it kinda makes sense.
* There was an absurdly popular ''Series/{{Glee}}'' fan theory for a while (back when a lot of viewers were holding out for Sam to be bisexual) that Sam had transferred from Dalton and he had dated Blaine while there. More recent developments (namely, Sam's poverty and continued lack of interest in guys) have put this to rest.
* ''Series/{{Heroes}}'' has Claude[=/=]Bennet, whose fics tend to be set before Bennet tried to kill Claude.
* Due to ''Series/TheLordOfTheRingsTheRingsOfPower'' being a treated like a spiritual {{Prequel}} to ''Film/TheHobbit'' and ''Film/TheLordOfTheRings'', all the interactions between Sauron and Galadriel come out as a woman angry at her ex, after he literally asked Galadriel to be his Queen consort in the show. There are a lot of memes based on this and people started to create even fanfics just mere days after the finale of Season 1.
* Over on ''Series/TheMentalist'', most people think that Bosco and Lisbon slept together at least once. Lisbon has moved on. [[DyingDeclarationOfLove Bosco hasn't.]]
* ''Series/{{Merlin|2008}}'': Merlin[=/=]Will, Merlin and/or Arthur/Lancelot, and past, [[{{Starboarding}} unrequited]] or simply unconsummated Uther/Gaius and/or Uther/Nimue.
* ''Series/RobinHood'': There is some debate on whether or not Robin and Marian slept together pre-show, prior to Robin leaving for the Crusades. There's no consensus, but fics that assume or confirm that their relationship was consummated are not considered out of the question (even for those that ship another couple). There is also some evidence in the show itself, particularly the deliberate avoidance of the usual "Maid" when referring to Marian. The creators have stated that they went with "Lady Marian" because they wanted to suggest that Robin and Marian had a history together. Of course, there were also several innuendoes in the show that suggested Marian was [[VirginTension still a virgin]], so the question still remains.
* Dr. Cox and Carla from ''Series/{{Scrubs}}''. It was later confirmed that they went on one date.
* Some parts of ''Series/StargateSG1'' fandom have a working theory that Samantha Carter and Cameron Mitchell were an item at some point in the past.
* Many ''Series/{{Succession}}'' fans think Kendall and Stewy are bitter ex boyfriends. While they [[ChronicBackstabbingDisorder frequently betray each other]], Stewy seems to genuinely care about Kendall. The theory is that they dated in college and he still holds some feelings for his friend. Even Arian Moayed has stated [[WordOfSaintPaul they've been boyfriends in the past]].
* There've been a lot of serious hints dropped that Harvey and Donna on ''Series/{{Suits}}'' were once in a romantic relationship. As of episode 3.06, a one-night-stand has been confirmed.
* Many ''Series/{{Supernatural}}'' fics portray Dean as having had a thing with Benny in Purgatory, even/especially ones that have Dean/Castiel as the endgame pairing. Similarly, a lot of fics portray Dean and Crowley as having slept together when Dean was a demon; their time together was referred to as a "summer of love" in canon and it's heavily implied that they at a minimum were engaging in threesomes, so fans don't need to stretch that far at all for this interpretation.
* ''Series/{{Wednesday}}'': A fairly popular headcanon in the fandom is that Larissa Weems had a crush on Morticia during their time at Nevermore, but never did anything because Morticia is so in love with Gomez. This has little to no evidence in actual canon, but it is helped by the chemistry between Creator/GwendolineChristie and Creator/CatherineZetaJones. Almost any fanfic centered around the teenage Weems will have her have a crush on Morticia; whether it is unrequited or not depends on the author.
* ''Series/TheWestWing'': CJ and Toby are often speculated to have had some sort of romantic involvement in the past based on their obviously close relationship and several flirtatious moments. Toby's last appearance in the series has CJ show up at his apartment late at night with wine, the subtext of which he points out just before she leaves. During a podcast appearance frequent director Creator/ThomasSchlamme agreed with the potential to see their relationship this way.
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[[folder:Podcasts]]
* ''Podcast/TheMagnusArchives'':
** It's a nearly universally accepted piece of {{Fanon}} that [[TheCaptain Peter]] and [[BadBoss Elias]] were together at one point before the start of the series. A common FandomSpecificPlot is them having been married and divorced multiple times, often PlayedForLaughs.
** Daisy and Basira's relationship is left ambiguous, but it's clear that they've been very close for many years; quite a few fans like to speculate that they were romantically involved while working for Section 31.
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[[folder:Video Games]]
* ''VideoGame/AnimalCrossingNewHorizons'': Redd/Tom Nook as bitter exes that may or may not still have some BelligerentSexualTension or even may [[NewOldFlame still be interested in each other]], but that have broken up in bad terms, usually due to business decisions.
* ''VideoGame/BlazBlue'': A good portion of the fanbase believe that [[MsFanservice Makoto]] and [[HandsomeLech Kagura]] were ''at least'' FriendsWithBenefits once, [[PervertRevengeMode which makes all their interactions all the funnier]]. Of course, it's implied a few times that this is indeed the case.
* ''VideoGame/{{Deltarune}}'':
** While their relationship is rather vague in-game, a lot of fanworks portray King and Queen as ex-lovers and Lancer's parents, to the point that many consider it {{Fanon}}.
** A common interpretation of Seam and Jevil's relationship is that they were a couple before the latter went insane.
** Due to the meme of Spamton being a "divorce mascot", it's common fanon that he's divorced, with the most common candidates for his ex being Swatch and Jevil.
* ''VideoGame/EnsembleStars'': Rei and Keito used to be childhood friends, and from what we see in the FullEpisodeFlashback ''Crossroads'' they were very close. But the War drove a pretty giant wedge between them, and unlike the other fine/Akatsuki + Oddball pairs, neither really seems especially motivated to reconcile. It's therefore pretty common to interpret them as having had some kind of thing which Keito gave up on to pursue Eichi's plans, and based on their conversation in the Main Story, in which Rei references among other things 'sleeping alone' since the War, it's certainly got canonical support.
* ''VideoGame/GenshinImpact'': Fans tend to ship Raiden Ei and Yae Miko as exes. While it's often assumed they get back together again, there are also jokes about the two continuing to squabble. Since Raiden Ei [[spoiler: effectively ghosted Yae Miko for ''500 years'']], and yet Yae Miko is still a mild {{Tsundere}} towards her, this almost writes itself.
* ''Franchise/KingdomHearts'': Due to their established relationship as former childhood friends and a heavy helping of FoeRomanceSubtext, fan works commonly portray [[HoYay Axel and Saïx]] as exes (often bitter ones, though since the release of ''VideoGame/KingdomHeartsIII'' it has become more common to portray them as either AmicableExes or having gotten back together entirely).
* There's a contingent of ''VideoGame/MetalGear'' fans that think [[HoYay Snake and Otacon]] had something but broke it off due to Snake's artificially rapid aging and the wish on one or both of their parts to avoid a MayflyDecemberRomance. There's a much larger contingent that think of Big Boss and Ocelot as exes.
* ''VideoGame/StoryOfSeasons2014'': Many fans like to think that older potential {{Love Interest}}s Iris and Klaus had a relationship in the past, given how often they're seen together chatting, Iris's SuspiciouslySpecificDenial about dating him, and them being relatively close in age and older than the player character (and that, should you woo Klaus as the female player, the pink flower event with him has you misinterpret them spending time together and get upset about it, even implying Iris would be a better match for him). But since you as the player can woo them and they don't really interfere, they're clearly not together anymore.
* ''VideoGame/SuperSmashBrosUltimate'': It's uncommon, but some fans think of [[BigBadEnsemble Galeem and Dharkon]] as former romantic partners.
* ''VideoGame/TalesOfSymphonia'':
** In slash fandom, if Kratos/Yuan is not happening in the present, it tends to be something acknowledged as having happened in the past.
** In more mainstream shipping, one theory about why Sheena and Zelos have the SlapSlapKiss dynamic that they do is that they dated or at least were mutually interested at some point in the past, but one or the other broke it off/put on the brakes before they could get started, and neither is really over it.
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[[folder:Visual Novels]]
* ''Franchise/AceAttorney'':
** Mia Fey and Lana Skye. Lana claims that they were "intellectually attracted" in the past, which fandom took as LesYay.
** Phoenix/Dahlia is unusual example. In the canon [[spoiler:they never dated. Major plot twist is that Phoenix was actually dating Dahlia's nice twin sister Iris, and before that he only met Dahlia once when she gave him plot-relevant necklace]]. Still there are fans who believe that [[spoiler:there was a period between getting the necklace and Iris switching places with Dahlia when Phoenix dated actual Dahlia]].
[[/folder]]

[[folder:Webcomics]]
* Alexander/Beatrice in ''Webcomic/TheDreamer''. There are several hints within the first pages of Alexander's introduction that can lead to this conclusion, such as Beatrice and Alexander living together for an entire summer and also this little quote: [[http://thedreamercomic.com/comic.php?id=253 "Ah yes, I remember taking my turn more than once with you that evening"]].
* Gamzee/Tavros in ''{{Webcomic/Homestuck}}'' was only canonised long after one half of the pairing went crazy and the other half died, and then left rather ambiguous with no WordOfGod on the topic at all (it's obvious Gamzee is carrying a torch for Tavros, but whether or not it is requited is not explored). If you believe they ever had a relationship, it automatically becomes dry-docked by the time it is relevant in the story, when [[ALoveToDismember Gamzee is rather desperately making out with Tavros's severed head]].
[[/folder]]

[[folder:Web Animation]]
* ''WebAnimation/{{RWBY}}'':
** It's difficult to find a STRQ-related fan-work that doesn't depict Summer and Qrow as exes. This often involves [[FamilyRelationshipSwitcheroo Qrow secretly being Ruby's biological dad]] but it's not mandatory.
** A lot of fan-works depict Qrow and Winter as having a history. The two have a relationship that many shippers view as BelligerentSexualTension.
[[/folder]]

[[folder:Western Animation]]
* In ''WesternAnimation/AdventureTime,'' [[EmperorScientist Princess Bubblegum]] and [[VampireMonarch Marceline]] are thought to have dated in the past by the majority of the fandom, as their estrangement appeared to go beyond just a broken friendship. This later turned out to be exactly the case, with several episodes making it clear that Marceline still pines for her. At the end of the series, [[spoiler:they rekindle their romance]].
* ''WesternAnimation/BeastWars'': One interpretation towards Megatron and Dinobot's relationship was that they broke up by the start of the series, which could explain some of the former's behavior towards him (such as him repeatedly cloning Dinobot, which could be seen as him being unable to get over his absence).
* ''WesternAnimation/{{Centaurworld}}'' has Zulius and Splendib as potential exes, with their intense rivalry over the Be Best Competition.
* ''WesternAnimation/MyLittlePonyFriendshipIsMagic'':
** Many fans believe that [[BigGood Princess Celestia]] and [[MadGod Discord]] are exes. Though a smaller faction have Princess ''Luna'' as the one who was in a relationship with Discord (which would make sense, seeing as Luna had her own dark period).
** Some fans believe that Rainbow Dash and Gilda had at least a fling when they were younger.
* WesternAnimation/SpongebobSquarepants: Some think that Squidward and Squillam are bitter exes.
* ''WesternAnimation/TotalDrama'': In the ''Island'' special, Noah has a never-before-mentioned rivalry with Justin, calling him "the anti-me." Since Noah is often thought to be attracted to men and Justin has always been subject to EvenTheGuysWantHim, one common theory is that Noah and Justin had a fling at the Playa des Losers.
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