mug1

noun

• 1a large cup, typically cylindrical with a handle and used without a saucer: she picked up her coffee mug
• the contents of a mug:I drank a mug of tea

• 2 informal a person’s face: I don’t want to see Barry’s ugly mug when I get home

• 3British informal a stupid or gullible person: they were no mugs where finance was concerned

• 4US informal a hoodlum or thug.

verb (mugs, mugging, mugged)

• 1 [with object] attack and rob (someone) in a public place:he was mugged by three men who stole his bike

• 2 [no object] make faces, especially silly or exaggerated ones, before an audience or a camera:he mugged for the camera