Top definition
mf has 2 meanings, often used as:

(i) Mother Fucker
(ii) My Friend

definition (i) is more commonly seen in chatrooms; whereas definition (ii) seen in multiplayer games.

if someone uses mf towards you, it's best to pretend you dont understand, so they will explain - either (i) or (ii). Since you dont want to just start insulting them.
Example:
<Shinosuke> Blah.. lets stop the conversation.. I dont want to talk abt it anymore.
<Person1> ok mf.
<Shinosuke> mf?
<Person1> mf - my friend.
<Shinosuke> Oh.. ok.. i thought.. nvm.
by Shinosuke May 13, 2004
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by Anonymous July 15, 2003
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3
You're a stupid mother fucker if you don't know what MF stands for.
by Falken January 17, 2003
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The vengeful act of crapping on a lover's chest while they sleep.

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4
This is a term for Mother F*cker or Mother F*ckin that can be slipped into any abreviated or slang phrase without offending the majority of the public.
I really need to know if you can attend this party A-S-A-M-F-P! Hey Johnny, Did you get that M Fin' car started yet? <> For the ultimate effect, add a G D before the M F to abreviate God D*mn Mother F*ckin for ultimate stress relief without offending. EX Hello, I'd like you to meet my G D to the M F boss Mr. Sucabut.
by goatofcolors October 06, 2006
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5
who is the m.f. who stole my bagel?
by Doobie March 22, 2004
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6
In the PC game Diablo2, mf stands for "magic find". Magic find is when you go to monsters with good drops and keep killing them in hopes that they will drop a good item
by Willizzle Tha Gangsta August 06, 2006
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7
mf is a prefix that is slowly becoming popular on the west coast. It stands for mad flow and you earn that prefix if youi are said to be able to flow or rap to anything.
Mf bob, Mf doom, these are some rappers that have mad flow.
by kula April 27, 2007
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