Definitions by @DjSpacelyAdams

Slab 

A woman with multiple sex partners who goes around hoe'ing in everyplace she's at. She never denies sex from anyone

John: Hey man, do you see that hot chick over there?

Shareef: Dude, dont talk to her, shes a slab like Eric's mom

Slab by @DjSpacelyAdams January 10, 2011