The Film You Can Quote Best
Technically, this movie is probably Bringing Up Baby. But Mean Girls is a close second, as demonstrated by this ridiculous conversation that I posted almost five years ago. (This also proves that I have consistently been a dork.)
I have also said “Boo, you whore” on more than one ocassion and consequently offend many members of my gender who do not tolerate that sort of thing, ever.
In sum, you go Glen Coco!