Animal House should have a list of its own. Some additions to those already posted:
"Greg, honey, is it supposed to be this soft?"
"Cut the horsesh*t, son. I've got their disciplinary files right here. Who dropped a whole truckload of fizzies into the swim meet? Who delivered the medical school cadavers to the alumni dinner? Every Halloween, the trees are filled with underwear. Every spring, the toilets explode."
"The time has come for someone to put his foot down. And that foot is me."
"Wormer, he's a dead man! Marmalard, dead! Niedermeyer...
Otter: Dead!"
"I think that this situation absolutely requires a really futile and stupid gesture be done on somebody's part.
Bluto: We're just the guys to do it."
"You f*cked up - you trusted us!
"So, if you mention extortion again, I'll have your legs broken."
"Thank you, sir! May I have another?"
"Put Neidermeyer on it. He's a sneaky little sh*t just like you."
"Well, as of this moment, they're on DOUBLE SECRET PROBATION!"
"Food fight!"
I know the movie wsn't so great, but I couldn't help but post this line from "Grease"...
"If you can't be an athlete, be an athletic supporter."
"The Negroes stole our dates!"