Related topics: Crime
mug2 past tense and past participle mugged, present participle mugging
to attack someone and rob them in a public place:
A lot of people won't go out alone at night because they're afraid of being mugged.
2 [intransitive] American English informal
to make silly expressions with your face or behave in a silly way, especially for a photograph or in a play
All the kids were mugging for the camera.