taco night Share definition Flag The female equivalent of a sausage fest: a party principally or wholly consisting of women, with a marked lack of testosterone. This has turned into a real taco night. Might as well watch some Sex and the City. taco night by Honky '98 January 6, 2009 0 0 Get merch Get the taco night mug. Buy Now — $32.95 See more merch