from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. to push
- v. to have sex
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. slang for sexual intercourse
From Yiddish שטופּ (shtup), perhaps from German stupsen ("nudge"), or possibly German stopfen ("stuff"). (Wiktionary)