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When someone is skinny enough to have visibly no fat on their stomach but instead muscles which turn out to be 6 pack abs.
Person 1: Dude your mad skinny
Person 2: Yea I know but i got mad abs *lifts shirt*
Person 1: OH SHIT!
Person 2: Skinny abs FTW!
by Maczilla96 January 14, 2009