The face.
A stupid or contemptible person.
A gullible or easily-cheated person.
A criminal.
A large cup for beverages, usually having a handle and used without a saucer.
Motherfucker (usually in similes, e.g. "like a mug" or "as a mug")
Uninteresting or unpleasant.
To assault for the purpose of robbery.
To photograph for identification; to take a mug shot.
To 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.
To learn or review a subject as much as possible in a short time; cram.
The head; the part of the body of an animal or human which contains the brain, mouth and main sense organs.
The head as the seat of mental capacity or intellect.
To nod repeatedly.