F.B.A.T.A
Zach calling you F. B. A. T. A means your butt is so wobbly it makes a baby cry
Zach: F. B. A. T. A! Your butt is louder than my sister’s whines.
Zach tweets: F. B. A. T. A. Your butt is a crying baby on a trampoline.
Zach DMs: F. B. A. T. A. I’m gonna need a therapist after seeing your butt.