DictionarymugRough person
noun

mug

A rough or threatening person.

A couple of tough mugs guard the door to the warehouse.

Etymology

Mug acquired slang uses for a person or fellow alongside its face sense. In this use, it narrows to a rough or threatening person.

More examples

  • That mug at the bar keeps threatening the other customers.
  • She refuses to be intimidated by those big mugs.
  • He looks like a dangerous mug, but he never starts fights.

Forms

mug · mugs

Similar words

thug
More strongly suggests someone who commits violence or crime.
bruiser
Emphasizes a large, strong person who looks ready to fight.