3 dog night Share definition Flag A sexual phrase meaning when a woman (usually a worthless slut) has sex with 3 different (usually equally worthless men) in one night. Bro you don’t want that bar fly, she had a 3 dog night last night. 3 dog night by Deez nuzz April 12, 2019 0 0 Get merch Get the 3 dog night mug. Buy Now — $32.95 See more merch