Mucker

Noun / Slang

Mucker is used informally, especially in parts of the UK and Ireland, to mean a good friend or buddy. It conveys familiarity and camaraderie, often with a working-class or down-to-earth tone.

Example: “He’s my mucker from school.”
Means: “He’s my close friend from school.”

Example: “Alright mucker, fancy a pint?”
Means: “Hello mate, do you want to grab a drink?”