Dictionary

slag off en · VERB

Pronunciation

• (Australia) audio

Meanings

1. (transitive) To purify by melting and removing slag.
   • There is a lot of copper oxide, but I can remove that by melting everything and slagging it off.
2. (Commonwealth, Ireland, UK, slang, transitive) To talk insultingly to or about someone or something; usually one who is not present.
   • There’s pressure to be a brand. I’m even locked out of my social media because I just get drunk and slag people off. 2023 February 24, Michael Segalov, quoting Will Young, “Will Young: ‘I’m locked out of my social media because I get drunk and slag people off’”, in The Guardian, →ISSN:
   • The Donald didn’t seem convinced and started slagging off the London mayor, Sadiq Khan. “He’s a friend of mine,” squeaked Starmer. 2025 July 28, John Crace, “Sidekick Starmer can’t get a word in as The Donald dominates world’s most one-sided double act”, in The Guardian, →ISSN:
   • I am forever slagging off some poor harmless dude or pitiful demented twitcher[.] 1983, Bill Oddie, Gone Birding, London: Methuen, page 1:

Forms

Synonyms

qualifier · lapidate · slight · scandalize · misuse · heckle · insult · abuse · sledge · offend · affront · diss · slur · spite · burn · disrespect · abuse · slur · slag off · send · slag · insult · misrespect · dis · cut down · wound · scandal · give stick · carry · misbid · hurt someone's feelings · sneap

Translations (13)

es poner a parir (to talk insultingly to or about someone or something) · ru оха́ивать (to talk insultingly to or about someone or something) · hu lehúz (to talk insultingly to or about someone or something) · no slenge dritt til/om (to talk insultingly to or about someone or something) · sv snacka skit om (to talk insultingly to or about someone or something) · gl poñer podre (to talk insultingly to or about someone or something) · sv baktala (to talk insultingly to or about someone or something) · ru ха́ять (to talk insultingly to or about someone or something) · hu cikiz (to talk insultingly to or about someone or something) · fi mollata (to talk insultingly to or about someone or something) · gl pór podre (to talk insultingly to or about someone or something) · hu kritizál (to talk insultingly to or about someone or something) · hu ócsárol (to talk insultingly to or about someone or something)