back-dick Share definition Flag Commonly used, by inmates, to describe an attractive anus hole "Whoa! Commissary owes me some Chap-Stik!... I done blew all MINE on HIS, back-dick.'' back-dick by FrontDick February 7, 2020 0 0 Get merch Get the back-dick mug. Buy Now — $32.95 See more merch