the act of being forcibly relieved of one's money and/or possessions, and also anally raped. this only usually happens to men, as the anus is the only known orifice for sexual penetration for a man.
"holy shit, i was walking 'round times square, and this G muggered me!"
"Jack Watts, you are charged with the crime of muggery, how do you plea?"
"Not guilty, Your Honour."