A type of cannabis smoked mostly in the North East of England.

Brown and hard, but goes soft when warmed up in order for the dealer to cut it into different sizes.

Only 2% THC.

Lasts alot longer than skunk.

The best way to smoke it is with a bucket/boosh or a bong but you have to burn the tac off and sprinkle it in the chillum or pipe.

Tac joints make nasty rockies which burn through clothes.
First person: Hey, want a bit of this tac joint?
Second person: No man, I can't be getting rockie holes in this jacket, sort us a boosh though?
First person: 'Kay, but I can't be arsed sprinkling it, you do it.
by hellsxbells April 20, 2008
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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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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 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 05, 2003
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Msn chat acronym directed at Chris, King of Pastries; Teehee @ Chris ( Has replaced Laugh Out Loud aka LOL )
Chris - For the rest of my life, if you promise me pies
Vian - TAC >=)
by <3vian March 13, 2008
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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 06, 2010
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