back door sanchez Share definition Flag Basically a dirty sanchez but only can happen in the City of Thornton, Colorado. “Oh damn, did you hear that guy that got back door sanchezed after he ran from the laundry mat?” back door sanchez by DustyCopper October 28, 2021 0 0 Get merch Get the back door sanchez mug. Buy Now — $32.95 See more merch