Short for tactical, doing things (especially crimes) in a strategic manner, with planning and preparation to ensure success
Those dudes move tac I anit even see em go in the bank

If we gonna do it we gotta be tac cus I am not tryna go to jail
by Jojo347 December 14, 2019
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To commit tactical suicide, oft in FPS games. Tactical suicides result in tactical superiority, whether by positioning the player committing it into a more favorable location, filling up his health, or denying the enemy a kill / attached bonuses.
Capture the Flag: You're on defense, low on health. You can see the incoming enemies half way across the map. Yet, there are no health packs around. TAC and respawn with full health, ready to put up a more efficient defense.

Deathmatch: Score limit is set to 20; the enemy has 19, and has you cornered. A frag, and his victory, is inevitable - unless you TAC.
by Annihilator-tPW September 18, 2006
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Tac is another word for pot, or brown or whatever you call the brown marijuana that most people smoke.
have you got any tac?
by hunta December 5, 2003
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Thai Adult Childlike Syndrome

The syndrome which inhibits most Thais from maturing past the mental age of 10.

Symptoms include complete lack of logic, common sense and reason. Acceptance of personal fault, inferiority or simply being incorrect cannot be admitted. Truth, morals and integrity mean nothing. Empathy for others has yet to develop. Acts of kindness are done purely for self gain and reward.
Does Somchai have TACS too?

Yeah, it's like talking to a six yr old girl.

Shame, coz it's a beautiful country.
by Maoser the Wowser July 14, 2010
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TAC: Typical American Chin

Usage: Chins that are so freakin huge they may resemble an ass, potbelly, or a thanksgiving turkey.
Guy 1: Holy crap did you see the chin on that guy!? It was freakin enormous! It was as if the chin ate several other weaker chins and assimilated them into itself!

Guy 2: Ya, it's a TAC alright.
by Amon777 December 7, 2010
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Another word for "fresh". Used usually by wack "ballers" that this they will make it in like. One of the most annoying words to hear in a sentence while you're talking to someone.
Yesterday I saw these jays on this dude and they were hella tac
by LARRYSLAYER May 13, 2016
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Simply put, TAC = Tiny Asian Chode
yo damn! That Prelude owner has a TAC!!!

TABOBE = Tiny Asian Chode OMG Bile Eeek
by R-B September 25, 2006
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