cari istilah yang lo mau, kaya' ratchet:
To administer a psychoactive drug rectally.
Idiot: Booty bumping tweak is awesome!

Idiot with deathwish: Stop being stupid. It's all about mainlining.
dari Not an idiot Senin, 10 Juli 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."
dari Jaysin and ahmanduh Jum'at, 28 Agustus 2009