Ac’ is short for Actavis, a prescription cough syrup used to make “lean” also known “purple drank
Guy 1: “Ay you pass me the Ac’ “
Guy 2: “Nah bro I’m still sippin hold on”
by TK5wishaa April 8, 2018
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No, I won't sleep with you. I'm an ace.
by theflying_clubcup January 25, 2009
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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
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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 16, 2008
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To pass a test or quiz. Often used in school.
I totally aced that math quiz; I got a 96%.
by Mimz October 13, 2005
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When Playing Call of Duty or any other shooter is playing search and destroy. That one person kills all six enemies in one round.
I killed all of you and Aced it!
by After zZz Schock November 2, 2010
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1) british for cool, meaning more for cool, in other words amazing, said at most sleepaway camps, to describe activities and campers.

2) also meaning yes (as an accomplishment)
1) "that new CD is ace"

2) "and the winner is... BOB"
"Ace!"
by hottie 1122113 November 6, 2005
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