AC 

a group of nerds who will cry if they get below 90% on a test, abriviation for acedemic challenge.

Hey do you wanna go beat up those ac kids over there?
hells yeah.

AC by bahahaha June 6, 2005

AC 

Aussie Coalition
A newly established Australian Gang Standing up for their rights on their home turf. Usually peaceful unless provoked or drunk and routy.

AC may be tagsmay be seen in various places in the Burwood area.

AC by Michael Misha July 4, 2005

AC 

this was formed due to a survey that said when polled most people who say LOL on AIM are really just giving an appreaciative chuckle (AC)

AC yeah it was funny when the giant plane dropped millions of carrots on your head.

AC by Loo July 24, 2003

AC 

Asdrubal Cabrera, AKA mini-Omar Vizquel. Best defensive young middle infielder in the business. Period.

Ground ball up the middle, AC ranges to his right, spins, throws...HE MADE THE PLAY. OHHH what a sensational play by Asdrubal Cabrera.

AC by AKA Tribe Time October 30, 2007

AC 

A sick grafitti crew called All City.

AC by Diego August 26, 2003

AC 

Slang for Atlantic Challenge. sailing snook

Person: Comin' to the movies?

Me: Nah mate, I'm goin' to AC.

AC by Sesame Street October 19, 2008

AC 

Auto cool or also known as air conditioning

Sam put the AC on

AC by anonnnnnyyyyyy July 8, 2018