1 definition by A better bloke

Mug is an insult. Mainly an English term, so I'd appreciate it if my yank friends wouldnt vote a thumbs down just because you've never heard it before, awrite? Good, ya mug.

Its hard to give a precise definition, but basically a mug is a naive or easily cheated person, an idiot, or just somebody you dont like
Dodgy used car salesman: "The punters are all mugs!"

Me: "You mug!"
by A better bloke September 9, 2006
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