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1.
An acronym (pronounced BANS-ma-fah) for a long string of obscenities:

Bitch
Ass
Nigger
Shit
Mother
Fucking
Ass
Hole
John pushed my lunch off the table yesterday... He's such a Bansmfa...

This total bansmfa did a cool trick on his scooter at the skate park today.
by Salohcin894 April 18, 2010