1 definition by JoeMycha

Top Definition
A person who started out as a lame "square" person that suddenly turned into a bad-ass. They party and hook up with guys and stuff. A bad-ass square is a rhombus.
Yo, Karl was such a square and then he went to that party and hooked up with Leon and became a rhombus.
by JoeMycha July 10, 2008
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