Urban Dictionary: slag off

The phrase 'slag off' is used in many ways, meaning somebody has been talking about you badly to another person

Jenny was slagging you off yesterday, she said you were ugly. She slag off me all the time

by Lovelykitten007 September 25, 2015

He.was.slag.ging.me.off.in.the.bar.so.I.beat.him.and.fucked.his.bitch.har.har.har.

YEAH YEAH YEAH

by Kung-Fu Jesus April 30, 2004

Another term for "shut the fuck up" or "shut your fuckung mouth".

Jack was boulshitting all the day, so I asked him to slag off.

by Al April 10, 2005

A term used to explain when someone is talking behind someone's/your back.

I heard Emily slagging off Connie earlier.

by gryffinhuffleclaw December 02, 2015

A person insulting you or another.
Slagged = insulted

by Revolutionary July 05, 2003

This kid was slaging me off so i decked the cunt

by gav November 14, 2003

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