Dirty Lacy Share definition Flag A Dirty Lacy is when you drink tequila and have intercourse with 3 guys in one night. Dont go to the bar and text men cause you might end up doing the Dirty Lacy. Dirty Lacy by Biscuits Baker Boo May 13, 2020 0 0 Get merch Get the Dirty Lacy mug. Buy Now — $32.95 See more merch