When one is addicted to watching and/or discussing mafia related topics and/or movies. Such as any Godfather movie, Goodfellas or The Sopranos series. May or may not be coupled with eating large quantities of Italian food and/or consumption of wine.
Is Carlo available to go shopping today?" "No, it's raining and he is already MAFING the day away.
by CJ 2011 February 12, 2011