When someone is lying, they are capping.
Person 1: I got laid by a smexy woman
Person 2: Broo that's cap
Capital, dinero, moolah, sweet sweet cash
Wanna go out to eat?
Cant aint got the caps
-A person who wears a cap
-Or a person who is lying
-I love your cap!
-I smell cap.
A projectile used to inflict bodily harm upon a person, specifically targeted in the posterior
I'm about to bust a CAP off in your ass if you don't sit down.