1:a Bolt
2:a way to say f**k you
1:
Mekanic:did you see a bolt?
Person:nope
2:
Guy1:SCREW YOU
Guy2:no u
To depart (usually from a gathering that has not yet ended, often with negative connotations).
This party isn't doin' it for me. I think I'm just gonna screw.
When someone is using an object in its unintended way
(ref. You can't screw a nail)
Sam: "Is this how I'm supposed to use it?"
Oliver: "No man, you're screwing the nail!"