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 04, 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 05, 2009
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Although Amir claims to have the hottest wife on the planet, to me she is nothing but a M.I.R.F.
by THe MILF hunter June 17, 2013
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Asian equivalent of MILF. Mom I'd Rike To Fuck.
Oh man, Hiro's mom is fucking fine...I'd rike to fuck that long time! What a MIRF!
by James in Raleigh November 10, 2008
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Mother I'd Resort to F*cking. To be used in a situation where you wouldn't necessarily LOVE to bang this chick, but you wouldn't entirely dismiss the notion. Usually a single parent co-worker with 1-2 children, who never stop talking about their kids while you're thinking "...eh i'd plug this chick."
Female: "..so OMG, the other day, in quilting class, we started using pink fabric and OMG it was so cute you should have seen {insert child's name} he/she LOVED it!"
Male: *Thinking* 'I probably would stick it to this person. I wouldn't quite give her MILF status, but I'm willing to go MIRF'
Male: *speaking* "oh no shit, that's awesome"
by millz207 March 01, 2015
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Mother I Reckons Fugly :) Its not mother i would run from thats just stupid !
e.g Holy shit thats definatly a MIRF !

e.g Did that MIRF get hit by a train or a bus ?

by Bree & Jake - Nerds March 08, 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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