1 definition by INeedPRN

A wrong 'un is a phrase used to describe someone or an action someone has undertaken that you disapprove of. It is not offensive merely an expression. Probably originates from the Midlands in England.
Billy-Bob ''I did 4 grams of coke last night!''
Jimmy-Joe ''You're a wrong 'un, you are!''
by INeedPRN May 26, 2008
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