Chilli Cheeseburger Share definition Flag A chilli cheeseburger is when a guy takes a crap on an old woman's cooch and then fucks it. "I turned her grilled cheese sandwich into a chilli cheeseburger." Chilli Cheeseburger by rurouzaru March 17, 2010 0 0 Get merch Get the Chilli Cheeseburger mug. Buy Now — $32.95 See more merch