taco fest Share definition Flag The female equivalent to a sausage fest. Can be any place inundated with females, where few or no men exist; basically a girls' club. "Dude, that Catholic girls' school is a total taco fest." "Kinda like the *N SYNC concert." "Yee." taco fest by surrealfx June 1, 2006 0 0 Get merch Get the taco fest mug. Buy Now — $32.95 See more merch