Top definition
Adj. A code acronym to refer to slutty bitches. Sounds the same as the originial term BLACK-OUT with a k, but BLAC-OUT does not refer to the mess vomitting Crat in the corner. It stands for

Back Legs Ass and Chest Out

This term is used to help indicate skank level. Rolling up key anotomical features used by most women to attract sexual attention into one word, the term signifies that a women's current "get-up" is first-class hooker.
Julie: Did you see that girl who just walked through the door? What a freakin slut!
Julie: HELL YES! I could not believe it. There is nothing left to the imagination on that one. All of her goodies are out there to see.
by RayRayC August 10, 2010
Get the mug
Get a BLAC-OUT mug for your father Paul.