twotone Share definition Flag a disgusting muti-colored excuse of a penis. usually with a light and dark color. very noticeable even with a glance from a meat-gazer! extremely embarrassing! HOLY SHIT JOHN, YOUR DICK IS TWOTONE, MAYBE YOU SHOULD JUST KILL YOURSELF! twotone by JP03 December 30, 2008 0 0 Get merch Get the twotone mug. Buy Now — $32.95 See more merch