Throbbing Robby Share definition Flag A slang term for an erection. A boner. A hard-on. Yo bro, I totally got a throbbing robby from that chick. Throbbing Robby by jdizzledawg1 December 22, 2013 0 0 Get merch Get the Throbbing Robby mug. Buy Now — $32.95 See more merch
