Well I don't think these have become an integral part of the English speaking persons repetoire, but... hehehe!
Pinky: "Gee Brain, whadda we gonna do today?"
Brain: "Same thing we do everyday Pinky, TRY TO TAKE OVER THE WORLD!"
~Pinky and the Brain (hehe, power crazed lab mouse)
and from Cats and Dogs...
Leaving a room that is burning down, Mr Twinkle turns to the cat behind him:
"I want you to stay here."
"Why?"
"...Because I hate you."
Oh, and Death Becomes Her!! I could quote that movie all night, so funny.
Helen has a gaping hole in her abdomen after being shot and falling into a pond.
"Just look at me, I'm soaking wet!"
There are just so many more quotes I love I'm sure I could fill up lots of precious internetical highway space... but I'm going to bed.