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1.
ebonics term for "screw that".
I used to be a stuck up white boy fakin' da funk....bump dat. I ain't bullshittin' no front street no more thanks to the wake up crews at ebonics language lesson.
by matt and travis May 15, 2003
 
2.
1:often used to tell the dj to turn up the bass.
2:also used to tell your bitch to shake her ass wildly.
1-"hey dj, bump dat!"
2-"get over here bitch, yea, bump dat"
by Hostile206 January 06, 2009