to give yourself praise, to make some noise for yourself, give yourself a congratulatory handshake or a pat on the back or whatever. hooray for you. origin:british popularized by ali g
uk jungle thug: bo! check dis, i is got a brand new stero system.
uk garride punk: big up yourself, aiiii.
by mike October 18, 2003
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The phrase coined in the late 1980's to describe a person that is modest.
'It was nothing special.'
'BullShit, you fucked her good. Big up yourself!'
by hippy_stick October 16, 2003
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