dirty big mac Share definition Flag A dirty big mac is simply a cold big mac that has been tossed on your floor, and pissed on. "Dude I woke up an my mom was doing a dirty big mac on my bedroom floor" dirty big mac by Big_Bongo February 12, 2021 0 0 Get merch Get the dirty big mac mug. Buy Now — $32.95 See more merch
