ranch taco Share definition Flag The act of using ranch dressing as lubricant during sex. After intercourse the ranch dressing is consumed by the male. Her pussy was so dry he needed to ranch taco that shit.For her birthday I gave her a ranch taco. ranch taco by Jc25 April 23, 2014 0 0 Get merch Get the ranch taco mug. Buy Now — $32.95 See more merch