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Cac = Cracker ass Cracker..a term mainly used on a messageboard website called "the coli"..normally used to describe a white person in a derogatory way
Poster 1: hey i think eminem is the best rapper ever

Poster 2: only a cac would say that shit
by blurp nugget December 25, 2016
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CaC is a gaming acronym for "Create a Character". Meaning a character which the player creates as opposed to a "known character" (an already established character in the overall story/world)
"Known characters have pre-set abilities, but your CaC can be customized to suit your play style."
by RadicalxEdward April 12, 2017
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The Common Access Card (CAC) is a United States Department of Defense smartcard issued as standard identification for active duty military personnel, selected reserve personnel, civilian employees, and eligible contractor personnel.

The CAC is used as a general identification card as well as for authentication to enable access to DoD computers, networks, and certain DoD facilities. It also serves as an identification card under the Geneva Conventions. The CAC enables encrypting and crytographically signing email, facilitating the use of PKI authentication tools, and establishes an authoritative process for the use of identity credentials.
Sir, you need to show your CAC to gain entry to the base.
by Severian919 January 24, 2007
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the Irish for Shit. also, a person's cac's is their trousers or underwear in ireland.
that film was cac.
or, "Sean will u pull up your cacs, and put your mickey away u horny fecker"
by Emzolita March 31, 2007
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cac is a Vietnamese word meaning fuck, not cock or anything else that sounds like it.
An example will not make sense unless it is in Vietnamese.
Cac to cha may.

Fuck your father's ancestors.
by yoda April 20, 2005
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