Definitions by DryLee

derail

To have sexual intercourse.

A: "I hung out with that cute blonde last night."
B: "Did you derail?"
A: "Hell yea. I derailed. So good."

derail by DryLee November 5, 2006

Cop a J 

The act of receiving oral sex.

A: "Yo, you should bang that chick."
B: "She's not hot at all. Kinda ugly, actually. I think I'm going to try to find another girl."
A: "Nah, nah... just cop a J."

Cop a J by DryLee November 5, 2006