Bring me the big knife!
There’s a car going up the B3351.
answer:
Nuts in May (of course)
Excellent - absolutely correct.

“Crockett and Tubbs… they’re floatin’ “
This could very well be the stupidest person on the face of the earth.

“Affleck, you the bomb in Phantoms, yo!”
Jay and Silent Bob Strike Back
“Some guys are carrying suitcases full of stuff.”
“Leave this to me. I’m British.”
Knee-jerk says Airplane but I bet I’m wrong.
If I don’t get out of here I’ll die. If I don’t get out of here I hope I die and burn.
And
What a dump! It’s from some damn Bette Davis picture, some goddamn Warner Brothers epic.

This could very well be the stupidest person on the face of the earth.
Ruthless People

“Leave this to me. I’m British.”
The Hitchhiker’s Guide to the Galaxy
Something told you to do as I say, didn’t it? That instinct is worth millions.
If you’re not getting your hair cut, you don’t have to move your brother’s clothes down to the lower peg.
“Maybe he just wanted to steal our wire cutters. Did you ever think of that?”

terentii:
No, don’t think so.
Bill and Ted, then
Yes!
Never mind.

Knee-jerk says Airplane but I bet I’m wrong.
Not Airplane, though it certainly could be.
It’s from a 1947 flick that’s definitely not a comedy. It’s shown 2–3 times a year on late-night TV.
You got it.
“All we are is dust in the wind, dude.”
Bill and Ted’s Excellent Adventure.

“Crockett and Tubbs… they’re floatin’ “
The Miami Vice movie?

If you’re not getting your hair cut, you don’t have to move your brother’s clothes down to the lower peg.
Monty Python’s The Meaning of Life