The phrase 'slag off' is used in many ways, meaning somebody has been talking about you badly to another person
by Lovelykitten007 November 10, 2015

by Kung-Fu Jesus April 30, 2004

by Al April 10, 2005

by gryffinhuffleclaw March 08, 2016

by Revolutionary July 05, 2003

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.
Person 2- says who? I can promise you now I ain't said one word about the girl.
by calmradgie June 08, 2016
