babyface Share definition Flag A guy who has a very young and cute looking face. Like a guy with a twelve year old face on a 20 year old body. Jason has such a babyface that they card him for cigarettes even though he's 28. babyface by Nika April 12, 2005 0 0 Get merch Get the babyface mug. Buy Now — $32.95 See more merch