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Having the qualities or attitude of a Bad Ass Motherfucker.
Samuel L. Jackson displayed his BAMFitude in reciting Ezekiel 25:17 before killing people.

Mark Wahlberg's inner BAMFitude was evident when he shot Matt Damon in the Departed. (Sorry about the spoilers, but it's for a good cause)

by Garrett Alden August 10, 2007
the measure of greatness of rank or position, size or extent, and/or significance or influence in the state of being a Bad Ass MotherFucker

On a scale of 1 to 10, Samuel L. Jackson is an 11 in BAMFitude.

Cracka Tim was inadequate in the realm of BAMFitude.
by The Real Governor August 22, 2007