Dac that

derived from the French word d'accord which means in agreement

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.

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.

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.

Darwin Award Candidate

"Damn Auto Correct "
When using virtual keyboard to enter a text, the auto-correct feature changes the word you mean to type into something completely different. But you don't see it before the message is sent.

You then text, "dac" to explain it was not what you meant to write before you get slapped for sending something obscene, rude, or just misleading.

Short for Don't Actually Care.
Usually used in circumstances where one is avoiding the use of sarcasm.