Abbreviation of the town of Mirfield, situated in West Yorkshire, England.
Boy 1: Gonna go out in Mirf tonight?

Boy 2: Fuck owt else to do.
by kermitthetoad December 2, 2009
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a wedgie that goes very deep. Also, a type of hole.
Dude, I got a huge mirf!
Don't let Char into my mirf hole!
by Mirf Char January 6, 2011
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Guy 1: Oh herro dis my mom
Guy 2: MIRF
by Aznpryde1123 November 13, 2008
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mom i'd run from. any unnatractive single mother who's men who claim her kids or claim to know her.

Has an ugly used up pussy before age 20. Usually contains diseases and numerous infections are plentiful.

Usually attention starved, on dope and going nowhere in life. Also asthetically unfortunate.
Wow, look at that aardvark looking bitch. That's definitely a mom i'd run from.

That's a MIRF.
by smartmart December 4, 2008
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A clumsy idividual, who usually lacks common sense, style, spacial awarness, motorskillz and hand eye coodination. (also refered to as a "pinner mirf")

Origin. first used by Sillicon Valley pot heads
"I cannot believe you just spilled my cremated grandma all over my mom's kzakistanian rug, you f$%@ing MIRF!"
by TONYBACON August 6, 2009
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A MIRF is the exact opposite of a milf. While a milf is a mother that someone would like fuck( bang the shit out of) a mirf is a mother that someone would regret fucking( really bad pussy haha.)
juliets mom is fucking hot and is definetly a milf. but john's mom is a mirf. I totally regret fucking her, her pussy smelled like rotten fish and dam did she need to shave or what.
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Its not a mirf u queer its a MILF u dumbass. Mom Ide Like To Fuck. U Renob
U r gay, learn how to say shit correctly b4 u put it on the internet
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