Female who is fairly easy. They vary from good-looking to haggard and tend to be around more than most prefer. Hooking up with a schmuppin usually occurs when a male is inebriated.
That schmuppin gotdrunk in my room and puked all over my shit.
(v) To have sex. Pron "Shtoop" ("oo" as in "book") This word is of Yiddish origin. Of note, one never schtups someone else...two people schtup (together).