1 definition by Mmmmmmmmm18

Top Definition
Osn
OOOh SHIT NIGGAAA

Started By The Basketball and Track team of UC
Kid1: Osn Did u see rayray he just ran a 16.1 in 110 hurdles.

Kid2: Osn He fast as fuck for his first year
by Mmmmmmmmm18 June 03, 2009
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