FMK is the acronym for Fuck, Marry, or Kill. Used as a quick gauge to determine the viability of a chick or to categorize a chick.
FMK acronym

Fuck = Avril Lavigne
Marry = Jennifer Aniston
Kill = Amy Winehouse
by SavageNation August 24, 2009
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Abbreviation for For My Kicks...Typically used in text chats.
Hey Steven, FMK where did you go to college?
by wildcatfan09 July 20, 2009
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Abbreviation for fuck my keyboard; a typo
Renee: I love you

Cypress: O ;pbe yup ypi

*I lobe you tou

*I love you too

FMK!!

Renee: teehee
by xsdcfvghmjk, September 19, 2011
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Fuck my knees. When your knees hurt.
Guy:my knees hurt so bad
Other guy: FMK

Guy: what?
other guy: it means fuck my knees
by The_trickster_ October 29, 2020
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fuck my keyboard
used when your keyboard totally retards all over what you're typing and makes you look like you can't spell worth crap.
dude, wtf do you mean by i needs to go the opol

ugh fmk i meant go to the pool!!
by Kelsiefaceee June 10, 2009
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FreshMode Kids

The dankest rave crew vegas has ever seen.

Also, the best thing to happen to the Vegas rave scene since parties at Fort Cheyenne.
Raver 1: "Oh shit, have you heard about FmK?"

Raver 2: "Yeah, I heard that they're on their shit all day ever day!"

Raver 1: "True true."
by Arthur W, February 15, 2009
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