MF Swear

To Middle Finger Swear on something.
Like a pinky swear except strongger.

"I'm going to buy you an iPod if you pay for half"
"fine, but MF swear on it first."

by Mastersam0 June 11, 2008

FD

An abbreviation for "Fucking Dipshit" or "Fucking Douche" or "Fucking Dumbass" or...... etc. you can probably think of a ton more.

This is a word that usually describes a dumb jock at your school or workplace or one of those wiggas hanging around the skatepark.

random dumb jock: "lol i just watched Sex and the City wit my mom"
regular person 1: "yeah, you would watch that wit ur mom"
regular person 2: "yeah, youre such a FD"

by Mastersam0 June 11, 2008

Black nine

A nine-millimeter pistol, a stereotypical gangster/mobster's gun.

"Yo, foo, those peeps comin wit black nines!"
"Yea, son, lets mob out of here"

by Mastersam0 June 11, 2008

Middle Finger Swear

Used as an oath to convince someone that you will do something, not do something, say something, etc.

It's like a Pinky Swear except stronger.

Also called MF Swear.

"dude if you slap that girl's ass I'll pay you 5 bucks>"
"ok, Middle Finger Swear on it."
***slap***
"ha ha newb now you have to pay, we MF Swore on it"
"dammit"

by Mastersam0 June 11, 2008