->''"You're on the canon ground, I'm up in crack ship space \\
Let's start a shipping war, don't care if I get hate \\
Don't like my pairings, well, then you can hit the bricks \\
This is my OTP, I'll go down with this ship \\
I ship it \\
I ship it"'' \\
-- '''Not Literally Productions''', ''"I Ship It"''

The One True Pairing (usually abbreviated as {{OTP}}, not to be confused with [[Literature/HarryPotterAndTheOrderOfThePhoenix OOTP or OotP]]) is the couple that a fan or group of fans prefers over all other '{{ship|ping}}s. {{Canon}} and logic do not necessarily apply, and {{crossover}} [=OTPs=] are not uncommon.

The degrees to which this is taken varies wildly. It can mean anything from "I just like [[KimPossible Drakken/Shego]] best" to "I won't read FanFic that pairs [[Series/BuffyTheVampireSlayer Anya and Xander]] with anyone but each other" to "[[Videogame/FinalFantasyVII Cloud always and still loves Aerith]] and they made love to each other in the flower field at the end of the movie", to the extreme "All the canon evidence that [[Literature/HarryPotter Harry and Hermione]] are not going to get together is a lie spread by the Ron/Hermione 'shippers, who must be [[DieForOurShip stopped]] before their evil [[TheEndOfTheWorldAsWeKnowIt destroys the universe]]". [[note]] All examples chosen at random, but the last group really are that scary sometimes. When one of the Ron/Hermione shippers turned out to be [[OfficialCouple J. K. Rowling herself]], some of the "Harmonians" abandoned the series in anger, lashing out at Rowling for "ruining the story."[[/note]]

OTP [[ShipToShipCombat shipping wars]] are second only to SubbingVersusDubbing for heat and violence. The degree of fanaticism displayed for a particular OTP may be proportional to their distance from the OfficialCouple and/or the WordOfGod for the work in question.

In some cases, holding their preferred characters to completely different standards than the official pairing is an excellent mark of OTP shippers. If someone argues that you need to show that X and Y got married to prove they're in love, and the rings on their fingers [[AntiGoggles don't count]], but they know that X and Z love each other because of '[[ShippingGoggles chemistry]]', they're definitely defending their OTP.

It is technically possible for a person to have multiple [=OTPs=], just with no overlap between them.

Some people refer to their favourite [[LoveTriangle threesome ship]] by the similar term OneTrueThreesome, or OT3. Or really, "OT" appended with any number if they're even more ambitious with the number of people involved.

[=BroTP=] is used as a term for [[PlatonicLifePartners non]]-[[HeterosexualLifePartners romantic]] [=OTP=]s.

Often the term "OTP" is used {{sarcas|mMode}}tically in parody of shipping, especially if it involves an [[CargoShip unconventional]] [[CrackPairing pairing]], or a character and their [[TrademarkFavoriteFood favorite food]] ("[[Series/{{Heroes}} Hiro/Waffles OTP]]"), etc etc.
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