chewing the chalupa Share definition Flag performing oral sex on a woman while she is being penetrated by a penis. (a beef filled taco) I was boning this chic the other day while her girlfriend was chewing the chalupa. chewing the chalupa by punkybrewstr October 18, 2010 0 0 Get merch Get the chewing the chalupa mug. Buy Now — $32.95 See more merch