clippin, clip, clipped, or clipper can be used in countless ways in many different contexts but here are the most commonly used:
1) a reference to the how a sound wave "clips" when it is too loud, or intense, and is therefore often used to emphasize the intensity or coolness of something
2) synonym for
fuck or
fucking (the sexual context)
3) unbelievably fatigued and/or
sad
4) someone admired or hated (depending on vocal stress)
Respective examples:
1) What'd you think of the concert?
That shit was fckn clippin!
or
That shit clipped all kinds!
2) What do you think of
Kelly?
I wanna clip her ass so
bad.
What did you do with
Kelly last night?
We were clippin.
or
We clipped all night.
or
I clipped her ass.
3) How you feeling?
Clipped.
4) What'd you think of the guitarist?
He's a fckn clipper!
Badass shit, man!
What about that guy over there?
Sandra, are you serious? He looks like a total clipper.