moww Share definition Flag v. the act of quickly grabbing someones nipple, not in order to cause pain as a purple nurple would, but instead to get the nipple erect. I'm going to moww you and get your nipple hard. moww by Hugonaut September 19, 2005 0 0 Get merch Get the moww mug. Buy Now — $32.95 See more merch