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Conc meaning Conccusion grenade. Used in TFC ( Team Fortress Classic ) A halflife multiplayer mod.

Usually used for " Conc Jumping " Conc make somewhat of a forcefield and pushes the user in directions according where there standing
See if you can conc over that bridge.
by Pyro-Whore August 19, 2006
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Aug 2 Word of the Day
Derived from "Squillionaire," "squill" is a dereogatory term for anyone who accumulates, flaunts, hoardes, or otherwise posseses wealth beyond reason.
Uugh, look at that squill parking his Lambo in the bike lane.

This fucking squill bought herself a Gucci handbag last week and gave $5 to my GoFundMe for insulin.

My landlord raised the rent again but they still wont fix the leaky roof. What a squill!
by Carnegie Freeman May 23, 2019
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2
Originated in chemistry while learning about concentrations.

1. Solid, concrete
2. Pwn
3. Concentration
1. Dude that shit's conc!
2. He totally just conced you.
3. -insert chem mumbo jumbo-
by unidentifiedmen December 06, 2007
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3
Someone that is explicitly bad at everything they do and say in life, especially if their name starts with anything from A-C.
You're such a God-damn Conc step-bro.
Why are you being such a filthy Conc you cheeseburger lover.
by Cayk Smow April 23, 2019
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4
This trip would've been a lot better if we brought some concs. My hand is getting tired.
by danlikesbikes April 04, 2007
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5
A state of being under the influence by a drug; getting "concked". Synonym: high, boofed, gone.
-Bro, imagine me on conc..
-Bro..
by Bigpep121 March 07, 2019
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6
A conc is very similar to a zoot or a boof. In essence it is a spliff of weed, Low grade usually this term is very popular in Cambridge but not used much elsewhere.
A Cambridge boy:Hey man I’m going down on Sunday to smoke a conc
Literally anyone else: a what?
A Cambridge boy: a CONC MAN, it means a large spliff weed
by CONCman October 30, 2019
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