Mine are:

"Let's show this pre-historic b**ch how we do things downtown" (Ghostbusters)

"It's the stay puft flour man" (Ghostbusters)

"You mean to tell me you guys never got the Led out? Robert Plant and Jimmy Page?" (School of Rock)

"STOP BREAKING THE LAW A**HOLE!" (Liar Liar)

"They gave YOU the congressional medal of honour?" (Forrest Gump)

How about you guys?