Taintasouris Share definition Flag When your over weight girl friend is being a taint, cunt, bitch, etc.... Yeah man, she was being a taintasouris again last night, because I didn't want to watch How to Get Away with Murder. Taintasouris by Trickle Motorsports September 23, 2016 0 0 Get merch Get the Taintasouris mug. Buy Now — $32.95 See more merch