Schwa Schwack Share definition Flag Inconspicuous name for a female giving oral sex. John: Hey did you fuck Brittney last night?Mark: No, but she gave me one hell of a schwa schwack! Schwa Schwack by Habeas Corpses January 26, 2011 0 0 Get merch Get the Schwa Schwack mug. Buy Now — $32.95 See more merch