Top Definition
when people dress to avoid mainstream fashion but associate with others who dress with similar intentions. when they congregate in large numbers their alternative appearance becomes the norm.
billy: we should go to that underground club dressed in smart casual.
jim: the club were everyone is dressed crazy to show they don't conform and are hip?
billy: yeah, but they all end up looking the same and negating their wacky fashions.
jim: they're totally altstream.
#alt #alternative #mainstream #hip #hipster #square #cool #rad. crazy
by thoja721 February 15, 2012
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