fetamin(FET-A-MEAN) Share definition Flag someone who is fake,used mostly in reference to those of the female gender.a "fake bitch" yo why you still messin with that girl man,erybody knows she a fetamin(FET-A-MEAN) fetamin(FET-A-MEAN) by Erikdabomb8 November 12, 2009 0 0 Get merch Get the fetamin(FET-A-MEAN) mug. Buy Now — $32.95 See more merch