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22.
runnin your mouth too mothafuckin much.
talkin that shit
jack-y did u knock jimmy out earlier
jace-dat nigga was bumpin
by d-mane April 16, 2008
3 17
 
23.
native american slang
Used on the rezz

Loud Music in a car
Loud Bass
Makes the car 'bump'
we geeped sonny a grip ago while we were bumpin in the blazer.

-OR-

We were bumpin to Jay Z the other day
by i want mr.sunshine November 07, 2004
9 23
 
24.
when you have a headache
yo man... my fo head is bumpin!
by studlee April 23, 2004
17 33
 
25.
when someone's talking shit and running their mouth; trying to start shit with no game; all talk
Quit bumpin yo dick sucks
by Vanna April 14, 2005
8 26