Wank tash Share definition Flag This is the hair line which runs below a mans belly button towards his pubes. "dude you know when i waxed my belly?" "yeah...?" "my wank tash has grown back like a afro!" Wank tash by KatieLovesIt! April 21, 2009 0 0 Get merch Get the Wank tash mug. Buy Now — $32.95 See more merch