Koos Slabber

A vagina ranking with foul odor and wretched aesthetics. Often resembling the ass of a femal chimpanzee in heat coupled with oily discharge.

Verb; act of being a koos slabber

N. You should have seen the shit can of a vagina on this chick. It looked like a butchers waste basket. A real koos slabber.

V. Frank is being a real koos slabber