Ab 

Means about

Friend1: Yeah, she really did that shit
Friend2: That's ab crazy asl

Ab by QTT Oop September 7, 2018

ab 

shortened for about

“What is up ab them?”
“Ion know man”

ab by female8439602 January 30, 2023

ab 

comes from the name ‘Abi’
The baddest bitch

Normally a player but has lots of friends

“ab really said that did she?!”

ab by jackdavudson19191 May 29, 2020

AB 

Acronym for Adult Baby... see infantilism, adult baby

"Hey dude, why are you wearing a diaper and playing with that rattle?"
"Duhhh, cuz me is a AB 'toopid head!"
"Oh cool... do you need to be changed?"
"Cooooo" ^.^

AB by Justin May 13, 2005

AB 

To split something with one other person, usually drugs or alcohol.

"Yo you tryna AB this blunt?"
"Fuck yeah, we're gonna get hella high"

AB by GaylorTang October 5, 2011

AB 

A Maui High c/o 2010 saying that stands for "Act Bad" as in showing off, acting all big.

Guy:"Ho! look at me flex!"
Girl: "You so AB!"

AB by 808allday October 13, 2011

AB 

Antonio Brown, Pittsburgh Steelers wise receiver who many regard as the top WR in the NFL. He is also known for being an expressive personality, with flashy outfits and impressive dance moves.

“Ayo, did you see the stats that AB put up last night?!?!”
“Yeah, dude is crazy man, he got mad skills!”

AB by jonahlong13 November 23, 2017