BMF

It mean Bye Motherfucker and Bad Motherfucker. You say to everybody if u want

Person 1: HEY you wanna hang todah:
Person 2: nah man i got to go.
Person 1: KK BMF
Person 2: Bye

by Psyduckium April 8, 2019

BMF

When you are friends with only one person from mexico
That person is your Best Mexican Friend

That chico is my BMF

by B dub August 23, 2012

BMF

Acronym for 'Bitch mother fucker'

that BMF is pissing me off

by julesboy44 October 28, 2010

BMF

Burn Marijuana Frequently. A way for stoners to recognize other stoners.

"You BMF?" (Burn Marijuana Frequently)

Can also be used as a "stand-a-lone". BMF

by Fz January 2, 2014

BMF

Best Male Friend.

Tyler is my BMF.

by Big Wally March 7, 2009

BMF

A Big Muthafucker!; an obese fat ass with no security system on their refrigerator

Look at that BMF!! She's a big muthafucker!!

by Eric and Keena July 23, 2004

BMF

Best male friend

Guan is Alyssa's BMF

by Jlyssa Raakbar April 10, 2015