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a person who steals from anyone on the streets. Most of the time a victim of a mugster get roughed up or even beat down and usually jacked. depending on what the person has.
Damn look at that mugster he roughed that fool up and took his chain...
used to be a mugster now i'm a hip-hop thugster. Easy-E
by Mota Somker March 15, 2009
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