schtup
or shtup
[ shtoo p ]
/ ʃtʊp /
verb (used with object), schtupped, schtup·ping.
to have sexual intercourse with.
verb (used without object), schtupped, schtup·ping.
to engage in sexual intercourse.
Origin of schtup
From the Yiddish word
shtupn literally, to push (in), press