Since no one else is taking care of the absolute classicly hilarious movie lines...
"Surely you can't be serious. I am serious. And don't call me Shirley."
-Airplane! (Duh.)
"So I jump ship in Hong Kong and make my way over to Tibet, and I get on as a looper at a course over in the Himalayas. A looper, you know, a caddy, a looper, a jock. So, I tell them I'm a pro jock, and who do you think they give me? The Dalai Lama, himself. Twelfth son of the Lama. The flowing robes, the grace, bald... striking. So, I'm on the first tee with him. I give him the driver. He hauls off and whacks one---big hitter, the Lama---long, into a ten-thousand foot crevasse, right at the base of this glacier. Do you know what the Lama says? Gunga galunga... gunga, gunga-galunga. So we finish the eighteenth and he's gonna stiff me. And I say, "Hey, Lama, hey, how about a little something, you know, for the effort, you know." And he says, "Oh, uh, there won't be any money, but when you die, on your deathbed, you will receive total consiousness." So I got that goin' for me, which is nice."
-Caddyshack (Once again, Duh.)
"Heywood leads the league in most offensive categories, including nose hair. When this guy sneezes, he looks like a party favor."
(And just about every other Bob Uecker quote in Major League)
Those are about all I can think of right now. Definiety good ones though.