boob-face Share definition Flag Pink, rash-like condition on an infant's face, occurs after breast feeding. Most likely used in a funny way. "Whoa, that baby has a severe case of boob-face, how long was he on?" boob-face by papa eos March 3, 2008 0 0 Get merch Get the boob-face mug. Buy Now — $32.95 See more merch