"Pardon me sir, but would you like to try a vanilla oat bran crunchy?"
"Whadda YOU think?!"
or the social security number exchange where at the end he says "That's too many numbers" and Steve Martin says "Drop da five den"
Ashamed to admit it..., but , haven't seen it. (hangs head in shame)
That's a good one.
"How should I know?!?! Number one happy street!"
My favorite from that one is at the end when Moranis starts to say to Martin I thought you... (Said you never shot a gun) and interrupted by Martin saying: "I Lied"
Heheh My wife smacked me cause I was laughing so hard in the theater...