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10.
Abbreviation:Apes Communication System

If one can't be bothered to talkn talks in sign language.Also used when under distress,eg.acting out murdering something or bashing something with a hammer when disstress or annoyed at a particuler situation.
In the simpsons, when Homer is angry with 'the boy' he chokes 'the boy' this action or similar, minus 'the boy' this is a clear example of A.C.S
by www.evlear.piczo.com October 25, 2005
 
1.
AC
Air Conditioning, must usually used while driving.
Turn the AC up dawg. It's hot as shit in here.
by EmbryO13 February 19, 2005
 
2.
AC
Anarcho-capitalism.

Also known as market anarchy or voluntarism/voluntaryism.

It's the idea that only voluntary cooperation (trade, the market) are legitimate forms of human interaction.

An anarcho-capitalist therefore envisions arbitration, security and defense to be solved through competing market agents instead of forceful territorial monopolists (as all statists including minarchists defend).
Do ACists support voting for Ron Paul?
by Nielsio January 15, 2008
 
3.
ac
Alternating Current

This type of electrical current is called alternating because it switches direction. Direct current (DC) is often seen as the opposite of AC since DC only flows in one direction. Alternating current is used in most applications including the electricity that comes out of the outlet in your wall.
The AC flowing through this wire will kill you.
by IIT Deep June 21, 2005
 
4.
Slang term for Atlantic City, New Jersey.

See also America's Playground.
I'm going to go hit the casinos in A.C., want to come along?
by Led Zeppole November 11, 2003
 
5.
Ac
A 1991-1995 Acura Legend. Usually still in use by pimps and thugs do to its spacious interior, pimped out sound system, and general bling blingness.
that brutha's rollin in an Ac
by Rob June 23, 2003
 
6.
AC
Abbreviated form of Atlantic City. Used by suburban kids to sound like they're urban kids when talking about Atlantic City, New Jersey.

Atlantic City is a resort on the Southern New Jersey shore famous for its boardwalk, its casinos, its beaches, and also for White House Subs.
Yo, there's a party up in AC. Wanna go?

or

Sorry, man, I gotta go to the doctor's in AC tomorrow. We'll do lunch some other time.

or

-Dude, the waves are huge in AC!
-Which beach?
-Mississippi Avenue. Let's go!
by Antonius October 11, 2004
 
7.
AC
Anti-chill; any behavior that completely violates the essence of chill.
Robbie: I'm so fucking pissed I didn't close last night, such bullshit. Get the fuck away from me.
Ethan: Relax, dude. You're being AC. Get off your ass and let's get fucked up with the boys.
Robbie: That's pretty eeb, but minus well.
by mcchex December 18, 2013