AATB 

An acronym meaning All About The Bros.

A heterosexual male who enjoys the camaraderie of fellow men and will always place his bros first. He goes to great lengths to preserve a friendship, regardless of the consequences.

"Bro, Alex turned down that hot chick to hang out with us tonight."
"Yeah, he's AATB."

"Did you just pay for all of our drinks?"
"Of course, I'm AATB!"

AATB by Brosef Bronson April 29, 2014

AATB 

An acronym for "acronyms are the best". Coined by a poser on Twitter.

Lindsay: OMG, DFTBA
Derek: AATB

AATB by causticchick January 12, 2011

AATB 

Stands for "All About That Bass". It's a song made by Meghan Trainor, which got her famous. It's a horribly catchy song and, as Bart Baker's parody says, shames thin women.

"If only I hadn't listened to AATB again... now I got it stuck in my head!"

AATB by xxylvii August 31, 2020