riley mulkey Share definition Flag A very unattractive person. A dude that stabs you in the back. He steals all the girls. A little b0tch Riley mulkey is a back stabber riley mulkey by daddt ei8309034801jkjJJJ85 May 3, 2018 0 0 Get merch Get the riley mulkey mug. Buy Now — $32.95 See more merch