Brent's Dick Share definition Flag A non-traditional unit of measurement, generally used to describe something incredibly small or negligible in size. (While bowling) Dang dude, I just missed that pin by a Brent's dick! Brent's Dick by DollfaceNelson March 6, 2019 0 0 Get merch Get the Brent's Dick mug. Buy Now — $32.95 See more merch