1 definition by tessdog22

1. verb used when referring to when someone is being shafted for going against unspoken rules, such as a guy code.
vince: if chris even thinks about dating megan im going to have to mafia his ass. He will be dead to me.

chris: vince straight up mafiaed me for talking to megan we haven't talked in years.
by tessdog22 June 01, 2010

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