The Valley Taco Share definition Flag The act of fucking a girl in her ass while she then shits on you as you procede to fuck her in her vagina. RJ: Man last night me and Alexis tried out The Valley Taco. ;) Pablo: Damn!!! You lucky S.O.B :) The Valley Taco by MrNiggaArches August 18, 2011 0 0 Get merch Get the The Valley Taco mug. Buy Now — $32.95 See more merch