Pee Taco Share definition Flag Any small, inanimate object that becomes tainted with urine. I dropped my wallet on the floor of the public restroom. Now, it's a goddamn pee taco. Pee Taco by Mojo-Johnson October 29, 2012 0 0 Get merch Get the Pee Taco mug. Buy Now — $32.95 See more merch