Shamweinis Share definition Flag When a man gets a blowjob and ejaculates all over the girls face, then proceeds to make her clean it up with a shamwow. Haha, yeah, that bitch gave me a shamweinis last night. Shamweinis by Crazysexpositionlover June 5, 2010 0 0 Get merch Get the Shamweinis mug. Buy Now — $32.95 See more merch