Belly Brownie Share definition Flag When your titty-fucking a chick, and you leave a streak of shit across her belly, racing stripe style. After leaving the bar, we went to her house, and I gave her a belly brownie. Belly Brownie by Distrbd68 October 21, 2009 0 0 Get merch Get the Belly Brownie mug. Buy Now — $32.95 See more merch