Urmumgaylol Share definition Flag A traditional insult used in pointless arguments. Brian: “You suck.” Dan: “Oh yeah? Well, urmumgaylol.” Brian: “Oh shoot, I can’t comeback to that!!” Urmumgaylol by MyNameNotDan November 21, 2019 0 0 Get merch Get the Urmumgaylol mug. Buy Now — $32.95 See more merch