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(merf) noun. acronym for Mom I'd Run From. The opposite of a MILF. A mom you definitely would not want to do.
"I don't know where she gets her good looks, her mom is a
MIRF!"

"Your momma's so ugly she's not a MILF she's a MIRF!"
by pose2pose October 29, 2006
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Aug 11 Word of the Day
You can tell by the way she walks, she got that WAP.

You can look at her face and tell she ain't got that WAP.
by Black Don August 06, 2020
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2
(merf) noun. acronym for Mom I'd Run From. The opposite of a MILF. A mom you definitely would not want to do.
"I don't know where she gets her good looks, her mom is a
MIRF!"

"Your momma's so ugly she's not a MILF she's a MIRF!"
by pose2pose October 29, 2006
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Get a MIRF mug for your boyfriend Jerry.
3
(merf) noun. acronym for Mom I'd Run From. The opposite of a MILF. A mom you definitely would not want to do.
"I don't know where she gets her good looks, her mom is a
MIRF!"

"Your momma's so ugly she's not a MILF she's a MIRF!"
by pose2pose September 16, 2006
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5
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 02, 2009
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6
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 05, 2011
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