Double Welty Share definition Flag The act of plesuring 2 males at once. Typically done with one's hands. Dude did you see what was going on in the tree house? No man what happened? Bruh she was giving them the double Welty! Double Welty by The Welts November 5, 2014 0 0 Get merch Get the Double Welty mug. Buy Now — $32.95 See more merch