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Short for Digital-To-Analog converter, usually a computer chip that converts digital data into analog signals. A DAC is used in computer devices such as Grapic and Audio Cards, Modems etc.
"Our customers can rely on our new DAC to perform very well"
by PrimeTime February 19, 2005
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Jul 26 Word of the Day
Noun: a friend who is usually only called upon by a friend when a more primary/prominent friend is unavailable.

Taken from the term β€œsecond string” in an athletic competition situation. In football, if the star quarterback gets injured during a play, the second string is called off the bench to replace him/her. A β€œSecond String Friend” is essentially benched until needed, if ever.

Synonyms: Plan B, Second Choice, Secondary Friend, Benched Until Needed
I got a call from X the other night. She had an extra ticket to a concert she bought for a friend, but they couldn’t make it so she called me to ask if I wanted to go because I am her Second String Friend.
by Deus-ex-machina August 26, 2020
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2
a dumb ass cunt, a bitch who pisses you off, acts like she don't know whats goin on, or when she is supposed to leave
What is that d.a.c. beth doin here?
by Pompous Smurf July 21, 2006
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3
DAC = David Allan Coe, one of the finest outlaw country artists to ever grace the scene. Wrote timeless classics such as "Take this job and shove it", "You never even called me by my name", "Would you lay with me(in a field of stone)", "Mona Lisa lost her smile" and countless more. Also collaborated with the late great Dimebag Darrell Abbott on an album entitled "Rebel meets rebel" which every metal and country fan should own.
David Allan Coe is a fine lyricist.

David Allan Coe has written some of the best country music around.

David Allan Coe is NOT Johnny rebel!

DAC, a true american rebel.
by Brian March 14, 2006
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5
an original aohacker who was recently behind a stream of celebrity myspace hacks and a well known website hacker and defacer. a well known member of digitalgangster.com, a fourm notorious for the hacks of paris hilton, miley cyrus, myspace, aol and twitter.
hacked by dac.
by tribbles March 24, 2011
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6
Short for Don't Actually Care.
Usually used in circumstances where one is avoiding the use of sarcasm.
Person 1: Dude, I found out the other day that Stephanie and Joe were getting back together!
Person 2: DAC
by Justin Case 13 September 17, 2016
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