dilljoy Share definition Flag a homosexual. dill, meaning a dick. and joy, meaning happy, liking something. Thus, dick liking. oh shit, that shirt makes you look like a dilljoy. my roommate is such a dilljoy for doing his hair for an hour. dilljoy by spltbird November 25, 2002 0 0 Get merch Get the dilljoy mug. Buy Now — $32.95 See more merch