hotter than a fat bitch in a biscuit Share definition Flag an expression which clearly defines how ridiculously hot it may be in a given location....say Iraq Why are you sweating? Because it's hotter than a fat bitch in a biscuit in here! hotter than a fat bitch in a biscuit by redeyejedi February 5, 2009 0 0 Get merch Get the hotter than a fat bitch in a biscuit mug. Buy Now — $32.95 See more merch