forget it; leave something alone
me- yo, lemme find ma dmx cd right quick

you- naw, man. bump that, lets roll up outta this piece. c'mon
by ms.diva October 6, 2003
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To play your music ridiculously loud
by anon June 11, 2004
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1. To give "props"(usually in terms of graffiti art)
1. Yo that graff piece Manny did is hella raw. I bump that

other guy: BUMP BUMP BUMP!

first guy: dude stfu.
by Chris st. October 3, 2005
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A hand signal exchanged between friends in which they each bump each other's fists thumb-side up. Many friendly people have this worked into a set handshake that may also include a hand slide or other sophisticated hand greeting.
by T Hizzle April 23, 2005
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taking a hit of cocaine off a the end of a car key.
Wanna take a bump?
by kokane August 3, 2003
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a line of cocaine done at the end of a high to get you back up again
"chop me a line i need a bump"
by Anonymous June 14, 2003
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