On this dick Share definition Flag 1. being on someone's nuts2. A ass kisser3. To tell a slut what to do when she looks confused I was out with my boys, and i saw a skank i knew from back in the day and i told her to get on this dick! On this dick by SuperManChiTown June 2, 2009 0 0 Get merch Get the On this dick mug. Buy Now — $32.95 See more merch