The Farrelly brothers have always been famous for turning the disgusting into the hilarious and then somehow, along the way, into something sweet. A clip that's just gone online, from their new movie The Heartbreak Kid, in which Ben Stiller marries a woman (Malin Ackerman) he believes to be perfect but is actually a revolting monster, shows that they've definitely got the disgusting, funny part of that equation down.
After watching the youtube clip below you may need the following definition:
Queef: An expulsion of wind from the vulva during or following coitus; a vaginal fart.
Delightful!