What is the meaning of Mug?

A large cup for beverages, usually having a handle and used without a saucer.

A mug

The face.

A gullible or easily-cheated person.

A stupid or contemptible person.

A criminal.

A mug shot.

To strike in the face.

To assault for the purpose of robbery.

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 photograph for identification; to take a mug shot of.

To learn or review a subject as much as possible in a short time; cram.

Easily fooled, gullible.

Uninteresting or unpleasant.

Motherfucker (usually in similes, e.g. "like a mug" or "as a mug")

mosquito (insect, elongated fly)

dusk, twilight

mold

A mosquito, a gnat, any fly of the suborder Nematocera except sometimes the larger tropical species (which are commonly called muskiet).

A bug, an insignificant individual.

a large cup, generally used to serve cold drinks, a mug

male slave or servant, serf, bondman

Romanization of 𒈮 (mug)

mouse (rodent of the family Muridae)

Source: wiktionary.org