(obsolete, UK) A superficially friendly person, who is otherwise not a friend.
(obsolete, UK) A superficially friendly person, who is otherwise not a friend.
No comments yet — say something.
Add your own interpretation of "mouth-friend".
UK and Irish slang — Cockney, Scouse, Geordie, Yorkshire, Glaswegian, Brummie, Welsh, West Country, plus Irish English. Centuries of regional dialects feeding into modern British and Irish street talk.
See all British & Irish slang slang on Slangora.
Browse all slang words starting with M.
(archaic) A friend who supports someone; a person who has someone's back; a backer, a supporter.