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To administer a psychoactive drug rectally.
Idiot: Booty bumping tweak is awesome!

Idiot with deathwish: Stop being stupid. It's all about mainlining.
dodane przez Not an idiot lipiec 10, 2006
when one shakes ones ass against another's ass and vibrations in between would result in a booty bumping.
"I was shaking my thang, when this chick suddenly grinding in my space booty bumping."
dodane przez Jaysin and ahmanduh sierpień 28, 2009