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.
Synonyms for BMF
On this page, you will find 30 slang terms related to BMF. Some of the top words include: ugmo, muhfuh, mu'fucka, mofobobo, mean value theorum, and 25 more.