People mention Kentucky Fried Movie, which I didn't find as being incredibly hilarious, except one scene. It may be inapropriate to go into details, but the daredevil scene. People who have seen it know what I'm talking about. And I'm glad I'm not the only one that liked Zoolander. It really...
Fight Club: Scene where members have to start a fight. The guy knocking down the priests bible and spraying it with his hose had me rolling (as well as the camera man, according to commentary that would be the reason one can notice a very subtle camera bouncing).