Slagging is a term used to describe a kind of harsher form of teasing. While this may seem like an insult to some, to the Irish, it's considered a behavior that shows affection or bonding, and, in some cases, is even used as a compliment.
John:*falls down*
Patrick: Jesus, were you born with one leg shorter then the other?
John: Fuck off
Patrick: Calm down, I’m only Slagging you
by Hogan982 June 25, 2021
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1) - to spit.
2) - a woman whom sleeps around, looks cheap &/or has questionable character.
3) - the waste product of the steel making process.
Friend 1) did you see the slag around the corner?
Friend 2) yes. Is she your wife?
Friend 1) fuck you.
by Babycats May 7, 2019
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A girl or boy who shags everything in sight. has 1 million STDs
You: hey look at that slag
Me: I know I can smell her fishy fanny from here
by Pussahy November 19, 2021
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1. An individual who cares not for relationships beyond the realm of the sexual, these people sleep with many partners not caring about anything save for the moment of climax.

2. Rubbish that is not worth the time or effort of paying attention to it, but none the less draws one in. Used to describe unpleasent situations.

3. Physical trash, often scrap metals.

4. Drawn from frag, to slag something is to destroy it, used in cases of technological rather then biological items.
So your wife's been a nasty slag all along? I knew she was trouble from the moment I first laid her.

Lost your job huh? Damn man, that's some cold hard slag.

Don't forget to get the slag off the yard, the city is threatening to fine us!

Hey, I just got the new Mechwarrior game. Let's go slag us some newbies.
by Nate August 13, 2003
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Some who sleeps round a lot, no Caring for anyone
OMG! Anna is such a slag.
by Man_WTF April 30, 2018
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1) U.K. criticism: a series of insulting, mocking, or critical comments.

2) USA: To sleep with someone.

1) I took a right slagging over that haircut.
2) He's always slagging with his kid brother - it's disgusting.

by Jafje June 6, 2007
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A slag is the top crust of the bread because everyone touches it but no one likes it just like a slag as in a man or woman slag.
by Faze rugaduga June 26, 2018
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