BAMFITH 

It is an abbreviation which means Bad-Ass-Mother-Fucker-In-The-House which is normally used to state the strength of a person while entering a place, so that other people would know who they are messing with.

1. Yo dude, check out there is a BAMFITH

2. Hey laish look there she is with a BAMFITH

3. BAMFITH!!!!

BAMFITH by ashey101 October 30, 2011

BAMFitude 

n.
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.

BAMFitude by The Real Governor January 2, 2009

BAMFitude 

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)

BAMFitude by Garrett Alden August 13, 2007