Brownie Bater Share definition Flag When your eating someone out and they start to shit and you continue to eat them out with the shit mixing everywhere. Bro i just gave this chick the biggest brownie bater ever. Brownie Bater by FinkaYobutt July 22, 2018 0 0 Get merch Get the Brownie Bater mug. Buy Now — $32.95 See more merch