It is a Yiddish slang word meaning "to fuck" (similar in German), however is it pronounced more like Schtup or shtoop. Definition can also be attributed to the German verb "ficken"
I met a good looking girl (schoene maidchen) and "stuped " her after we had some drinks.
or I had too much beer and got stupped up.
The cutest ever to play Critical-Ops
Alot of players members are cute but Stup iOS is the cutest