Mexican Trouser Burn Share definition Flag When you're wrestling and you get a rug-burn on your genitals Ouch, dude, I need to go splash some cold water on my dick, I just got a Mexican Trouser Burn. Mexican Trouser Burn by Crazyjesse2 March 26, 2011 0 0 Get merch Get the Mexican Trouser Burn mug. Buy Now — $32.95 See more merch