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A term used to explain when someone is talking behind someone's/your back.
I heard Emily slagging off Connie earlier.
by gryffinhuffleclaw March 08, 2016
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Originates from Essex meaning when someone is chatting shit about you behind your back and obviously you confront them about it saying:
Person 1- apparently you've been slagging off jasmine

Person 2- says who? I can promise you now I ain't said one word about the girl.
by Versacesmother June 08, 2016
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more or less being insulting or dorogatory in a sexual way..

"she is a slut"
"Oh Bob you fucked her last night stop slagging off"
"she is a slut"
"Oh Bob you fucked her last night stop slagging off"
by Nikki Gloom February 22, 2014
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