stands for bad motherfucker. popularized by Samuel L. Jackson in the movie Pulp Fiction. I also heard you can see it on Mace Windu's (also played by Samuel L. Jackson) lightsaber in the star wars movies.
by David Winokur May 19, 2005

BMFS is the GOAT.
by Cosmicgirlismadeofstarstuff September 09, 2019

by Mer Shea September 05, 2005

by RatchetDrama Queen February 15, 2015
