Short for "Get your Ass Beat"
Ex. Bitch keep playing with me and you go fuck around and GYAB.

G. Y. A. B is a word used for fighting
Get a G. Y. A. B mug for your sister Jovana.
Yo, Y$G$ some crazy ass niggas that will kill you for nothing y'all niggas need to relax.
by KillaSquadJay May 06, 2019
Get a Y$G$ mug for your mother-in-law Helena.