Booze mule Share definition Flag A 21-year old, usually ugly and/or very gullible, person whom you and your other underage friends can use to buy you booze! Ayyyy we gotta find a booze mule to get us some beverages for our partayyy!!! Booze mule by juicyjo July 21, 2010 0 0 Get merch Get the Booze mule mug. Buy Now — $32.95 See more merch