Roquefort Files etymology #1:

Main Entry: Ma·fia
Pronunciation: 'mä-fE-&, 'ma-
Function: noun
Etymology: Mafia, Maffia, a Sicilian secret criminal society, from Italian dialect (Sicily)
Date: 1875
1 a : a secret criminal society of Sicily or Italy b : a similarly conceived criminal organization in the U.S.; also : a similar organization elsewhere c : a criminal organization associated with a particular traffic
2 : what Devon calls your correspondent, Josh, Jeff and our various buds, and a handy shorthand for "us and our mates".
3 : er, what Annabel called your correspondent, Josh, Jeff and our various buds, like, way before Devon did. Sorry, sorry. Carry on.