Crusty Brownie Share definition Flag A sexual term that nobody knows the true definition of, only that it’s remarkably dirty. Andrew: Baby, I wanna take it slow and crusty brownie tonight Aimée: Oh baby just do it! Crusty Brownie by aimée_taylor February 17, 2009 0 0 Get merch Get the Crusty Brownie mug. Buy Now — $32.95 See more merch