shamash Share definition Flag A penis with way too much hair. An almost uncontrollable amount that sticks out of underwear most of the time. “Hey I think that guy Matthew is real cute.” “Yea me too until I found out he has a shamash” shamash by Mr.Carey December 10, 2020 0 0 Get merch Get the shamash mug. Buy Now — $32.95 See more merch