Originating in north east England. Someone that you hate, who for some reason their every action gets right on your tits. Might be a nice person but their presence does nothing but irritate you to the point of insanity.
Shes a nice person but such a head blag! I can't stand her!
by Fun loving weasel February 10, 2009
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Something that seems like it might be easy, but turns out to be absurdly hard. Opposite of blag.
Teacher: You will have to watch The Martix for homework.
Chris: Blag!
Teacher: And make 2000 words of notes on how it relates to Rationalism.
Chris: Anti-Blag!
by Rickyingoo November 13, 2009
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Often used when someone who thought they were at the top of their game meets someone better at it or in the very least on par.

When player 1 finds out they are infact player 2.
You can't blag a blagger as the blagger gets blagged.
by Miss melons December 25, 2017
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Similar to the words "crack" and "banter", can be used to represent an activity or talking.
1. Last night was good blag
2. I love Harry's blag
by MosesOfNewcastle May 29, 2007
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A term given to an individual who will blag his way to the upmost to get out of doing something
Z: Where is Rex this morning?
A: He's being a "big blag" and coming in late
by Aront September 18, 2008
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A Britsh armed robbery
They just did a armed blag
by ag100 April 26, 2016
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Blag is word with multiple meaning. Fyee, ayyee, swaagg fuck. You just substitute the real word with blag
Oh, she Down to Blag (Fuck)
Where the Blag you been (Fuck)
Dude, I just got my license, blaaggg (swaaaag)
Dude, that guy is blagged up! (Swagged)
Blag me the fuck out (Swag)
by BoxxTheLastKing July 11, 2011
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