“You’re a fucking moron.”
Bob Balaban - Bernie Nayman

“I may not be streetwise and all that, but at least I’m not that dumb!”
Jennifer Lopez - Selena Quintanilla

“- Swell: Kenny, why don't you save your last three brain cells, you might need them.
- Kenny: I won't!”
Christina Applegate - Swell
Keith Coogan - Kenny

“All cowboys ain't dumb. Some of them got smarts real good, like me.”
John Travolta - Bud

“- David St. Hubbins: It's such a fine line between stupid, and uh...
- Nigel Tufnel: Clever.
- David St. Hubbins: Yeah, and clever.”
Michael McKean - David St. Hubbins
Christopher Guest - Nigel Tufnel