Redz Bai Share definition Flag A man who has sex with girls and gets them pregnant for the fun of it, then leaves them. Redz Bai had sex with that girl and got her pregnant! Now he's no where to be found! Redz Bai by RedzScar March 2, 2009 0 0 Get merch Get the Redz Bai mug. Buy Now — $32.95 See more merch