rack-of-man Share definition Flag A set of breasts---on a man. Not as large of a cup size as say---moobs, but firmer than mantitties. Nice rack-of-man there, Chuck. What's your bra size? rack-of-man by Lisa August 18, 2004 0 0 Get merch Get the rack-of-man mug. Buy Now — $32.95 See more merch