Top Definition
mushroom fluff is that fat layer that rolls off your sides when you were cloths that are 10 times to small on you and your a fat ugly whore
guy: o my god zoe put that shit away there a small children around

zoe: what did i do

guy: put that mushroom fluff away you fat skank
by mooseman95 April 08, 2009
6 Words related to mushroom fluff

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