The definition of a mugger is a thief who attacks someone in a public place, usually with a gun or by making a threat, in order to take the person's personal property.(noun)
A person who comes up to you on a dark street who says "give me all your money," is an example of a mugger.
See mugger in Webster's New World College Dictionary
Origin: Hindi magar < Sans makara, sea monster
See mugger in American Heritage Dictionary 4
Origin: Hindi magar
Origin: , from Sanskrit makaraḥ, crocodile
Origin: , of Dravidian origin.
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