(intransitive, informal) To study intensely.

(idiomatic) A foolish, profitless, or hopeless undertaking.

plural of mug book

plural of mug shot

A book containing mug shots, pictures of faces.

(UK, slang, transitive) To cheat, swindle, dupe

(slang, derogatory) competing in order to win trophies

A mug printed with oxidized ink so that it changes colour when filled with hot liquid; often sold as memorabilia.

Alternative form of toothmug

plural of mug cake