Definitions
1.nounA large cup for hot liquids, usually having a handle and used without a saucer.
2.nounThe face, often used deprecatingly."What an ugly mug."
3.nounA gullible or easily-cheated person."He's a gullible mug – he believed her again."
4.nounA stupid or contemptible person.
5.verbTo strike in the face.
6.verbTo assault for the purpose of robbery.
7.verbTo exaggerate a facial expression for communicative emphasis; to make a face, to pose, as for photographs or in a performance, in an exaggerated or affected manner."The children weren't interested in sitting still for a serious photo; they mugged for the camera."
8.verbTo photograph for identification; to take a mug shot.
9.verbTo learn or review a subject as much as possible in a short time; cram.
10.nounMotherfucker (usually in similes, e.g. "like a mug" or "as a mug")