Cap a mf

(Verb): Meaning to kill a person, specifically (but not always) to kill a mother fucker with a gun.

Antwon: Yo Confandre’s bitch ass snitched on you!
DeShawn: Look like I’m a cap a mf.

by thevalleyboy July 11, 2019

stupid mf

Short term for stupid mother fucker

That dude is a stupid mf .

by Thisbruh69 August 11, 2016

mF

milliFuck

Used most often in scientific and university context, surreptitiously.

I don't give one mF about fashion.

by DC22 February 5, 2010

MF boot

THIS IS ON ANNA'S BOOT TOE ON A DAILY

"LOOK ITS A MF BOOT"

by MF_BOOT December 4, 2018

Perc mf

A term used mostly in Atlanta that means basically means percs

Aye lemme get one of them perc mf

by @sipmadety August 4, 2019

Solid mf

An individual, male or female, who is honest, straight up, trust worthy, and dependable. A person of such characteristics, or smiliar ones, will never make you question their dependability and will never leave you in doubt. A solid mfer are good business partners.

I don't ever have to worry when dealing with him/her, cause that's one straight up solid mf

by ALWAYSFAB June 25, 2017

MFS Train

When you and your co-workers run gangbang a bitch you met at the bar.

Noah: No cock blocking tonight you guys!

Luke: Fuck that! If one of us picks up a bitch we are all fucking her!

Josh: Oh yeah! We are running a MFS train on that bitch!

Luke: Mother Fucking Slut Train!

by Boris98 April 20, 2018