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.

Noun: a friend who is usually only called upon by a friend when a more primary/prominent friend is unavailable.

Taken from the term “second 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 “Second String Friend” is essentially benched until needed, if ever.

Synonyms: Plan B, Second Choice, Secondary Friend, Benched Until Needed

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

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.

Darwin Award Candidate

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.

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