Definitions by Ry_Steevs

AATST 

an abbreviation for the phrase "all at the same time"

D'Andre: man ya know i'm terrible at multi-tasking. I can't just talk on the phone, watch tv, and cook me some dinner AATST like you white people.

Ryand: manee whatever, ho.

AATST by Ry_Steevs July 13, 2010