[[caption-width-right:296:They're coming to your wedding--with or without invitations.]]

Bachelors and lifelong best friends, John Beckwith (Owen Wilson) and Jeremy Grey (Creator/VinceVaughn) are partners at a law firm in Washington D.C. who frequently "crash" wedding parties to meet women; working from a set of rules taught to them by a past "crasher", the duo always have cover stories for inquisitive guests and inevitably become the hit of every reception -- all so they can charm their way into bed with ladies at the wedding for a one night stand.

After a sequence of successful "crashes," Jeremy spots the wedding of the daughter of the Secretary of the Treasury William Cleary (Creator/ChristopherWalken) and his wife, Kathleen. After infiltrating the lavish event as brothers, John and Jeremy set their sights on two bridesmaids, also daughters of Secretary Cleary: Claire (Creator/RachelMcAdams) and Gloria Cleary (Creator/IslaFisher). This 2005 film is the very definition of...[[ExactlyWhatItSaysOnTheTin you know.]]

(For the otherwise unrelated trope formerly named after this movie, see WeddingSmashers.)
!!!Tropes available:
* AndTheAdventureContinues: The two couples decide to crash weddings together at the end of the film.
* BastardGirlfriend: Gloria has the perfect way of getting her man: first scare the shit out of him by acting crazy, then tie him up against his will and rape him. Of course he eventually learns to like it, and their relationship [[IdealizedSex seamlessly develops]] into [[CasualKink normal roleplaying]].
* BitchInSheepsClothing: Sack Lodge, at least to Claire and her family.
* TheBigGuy: Throughout the movie a number of references are made to Vince Vaughn's (and thus Jeremy's) large size.
-->'''Jeremy''': C'mere, let the big bear put his paws on ya!
* BitterWeddingSpeech: John does one during a montage.
* BlackComedyRape: ''Gloria ties Jeremy to the bed and forces herself on him.'' The morning after, he tells John that he "...felt like JodieFoster in ''Film/TheAccused''". [[DoubleStandardRapeFemaleOnMale He ultimately falls in love and marries her.]]
* BlondeBrunetteRedhead: The Cleary sisters.
* BlueBlood: Oh so much, but see the archetypical WASP-y looking Creator/BradleyCooper as "Sack" Lodge for your best example.
* BrokenPedestal: [[spoiler:John and Jeremy are quite disappointed when they finally meet Chazz, and discover he's a pathetic manchild BasementDweller.]]
* TheBrute: Sack Lodge practically embodies this trope.
* TheCameo: [[spoiler:[[CrowningMomentOfFunny Will Ferrell as Chazz]].]]
** Also a OneSceneWonder.
** Also John [=McCain=] AsHimself.
** Same with James Carville.
* DepravedHomosexual: Todd.
* DisposableFiance: The EvilAllAlong category. A better use of the trope than in some other romantic comedies, in that while Sack is a {{Jerkass}}, he is also charming and charismatic enough that it isn't a complete mystery that Claire is dating him in the first place.
* FanserviceExtra: The absurdly beautiful Diora Baird and all the other actresses that flop down on beds with Vince and Owen in the sex montage.
** Isla Fisher's body double. That scene is also an example of BlackComedyRape.
* TheFunInFuneral: The protagonists' mentor, Chazz, (played by [[spoiler:Will Ferrell]]) eventually replaced "getting women at weddings" with "getting women at funerals". And he brings John along for a demonstration. It is this practice that qualifies as his MoralEventHorizon.
* GirlOnGirlIsHot: Jeremy's girlfriend, Gloria, asks if he wants to watch her do it with a Brazilian girl. He proposes.
* HorribleJudgeOfCharacter: Claire and her family when it comes to Sack.
** [[SubvertedTrope Subverted]] with William Cleary. At the end of the film, he was shown to be aware of Sack's {{Jerkass}} traits, but was willing to turn a blind eye as long as Sack was making his daughter happy. When that is no longer the case... cue the HiddenDisdainReveal from papa Cleary.
* HugeGuyTinyGirl: Jeremy and Gloria, as with any actress who gets paired with Vince Vaughn as a romantic lead.
* {{Jerkass}}[=/=]JerkJock: Sack, big time.
* KickThemWhileTheyAreDown: Sack Lodge repeatedly tackling Jeremy ''very'' hard during a casual game of football (it is clearly stated to be a game of ''touch'' football, where such tackles are not meant to be used), without second thoughts of how badly hurt the latter may be. Sack's followers even rub it in Jeremy's face, saying "That's what we call [[{{Pun}} a sack lunch]]!"
* KnightOfCerebus: The movie's pretty lighthearted until we meet Zachary "Sack" Lodge.
* LaxativePrank: John does this to Sack.
* LonersAreFreaks: Todd.
* ManipulativeBastard: Sack Lodge.
* NaughtyUnderTheTable: Gloria gropes Jeremy under the dinner table.
* ThePublicDomainChannel: What [[spoiler:Creator/WillFerrell's]] character is watching in his first scene.
* RacistGrandma: The grandmother loves saying inappropriate things about Eleanor Roosevelt.
* RomanticComedy
* SceneryPorn: Maryland is an awfully pretty state (at least the parts on display here).
* SevenMinuteLull: When Jeremy is talking about his "first Asian".
* SexMontage
* SexualKarma
* SmugSnake: Sack Lodge.
* TheSociopath: Sack Lodge.
* SpeakNowOrForeverHoldYourPeace: John does this, although he's doing it to someone who is not the one getting married at the moment.
* StalkerWithACrush: Gloria.
** John even more blatantly.
* TestingTheLoveInterest: Claire does this later in the film.
* TheUnapologetic: Jeremy had made a foul remark about one of the proper ladies in the wedding, earning him the glares from the guests. He then claims this statement to John:
-->'''Jeremy''': I'm sorry. I'm not sorry. Okay? I'm not gonna apologize, I'm a cocksman! *gets glares from wedding guests again* Tourette's.
* UnsympatheticComedyProtagonist: Jack and Jeremy, oddly enough. A lot of the humor in this movie would be very uncomfortable, except for one thing: the main characters are philandering serial liars until they get a little CharacterDevelopment forced on them, so who cares what happens to them?
* WhatDoesSheSeeInHim: Claire and Sack. Sure, he's played by the muscular Creator/BradleyCooper, but he is one of the most over-the -top assholes in cinematic history.
** As Creator/RogerEbert put it in his review, "in a comedy the villain is supposed to be [[LaughablyEvil funny]], and not a hateful, sadistic, egotistical monster".
** It's implied to be just a relationship of convenience more than anything else.
** She may also partly want to please her father, who keeps talking about the merging of two great American families.
* {{Yandere}}: Gloria wants Jeremy in the worst way, throwing herself at him at every opportunity and ultimately tying him up and raping him. She's yandere enough that she is termed by the cast as a "stage 5 clinger".