A contemptible or stupid person.
The hood-shaped upper sepal or petal of some flowers, as of the monkshood or the snapdragon.
A naked shield or protuberance on the top or fore part of the head of a bird.
The feature above a shield on a coat of arms.
The glans penis.
A hard, protective head covering, typically part of armour.
The upper part of a chemist's retort.
To cover with, or as if with, a helmet.
A stupid or contemptible person.
A gullible or easily-cheated person.
The face.
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.