(UK) A barrack-room lawyer is a person who gives opinions on things they are not qualified to speak about.
Philadelphia lawyer
Philadelphia lawyer A shrewd attorney, adept at dealing with legal technicalities, as in It would take a Philadelphia lawyer to get him off. This expression dates from the late 1700s and, as lexicographer Richard H. Thornton observed: “Why members of the Philadelphia bar should be credited with superhuman sagacity has never been satisfactorily explained.”
An lawyer idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with lawyer, allowing users to choose the best word for their specific context.
Dictionnaire de mots similaires, Différentes expressions, Synonymes, Idiomes pour Idiome lawyer