Bby G Share definition Flag Bby G is a term of endearment. It merges two words baby and G. It is the ultimate way to show affection to someone is lovely but some who is gangster af Eva calls Holly Bby G!! Bby G by Jeanyevill June 16, 2019 0 0 Get merch Get the Bby G mug. Buy Now — $32.95 See more merch