1 definition by MandyPenson

its when u walk past a person u dnt know whether theyre a guy or a girl, cos they look like both. hence they are a she and a he = Shim!
"Duuuude, is that a chick.?"
"umm, id top that"
"she's a dude man!"
"i know!"
"totally a shim."
by MandyPenson August 28, 2007
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