Top Definition
Stands for Mother Fucking Retard
Billy: Ouch! (runs into wall)
Jimmy: Wow, you are a MFR!
ayon kay Jenna Lover ika-26 ng Disyembre, 2006
It means Mad For Real
No I'm at home being mfr.
ayon kay salademanders ika-10 ng Nobyembre, 2010
Mother Fucking Ripped

-started by gtown from sauga city
MFR in this bitch
ayon kay nadzyz ika-25 ng Setyembre, 2010
The typo Chinese people put into your phonebook to boggle your mind as to its meaning.
China, Crystal, & Glassware- Whol & Mfrs
ayon kay Dick_Buttkiss ika-26 ng Marso, 2010
My friend's reaction
MFR when he hears about my new girlfriend.

MFR when he broke his phone.
ayon kay DewItYourself ika-12 ng Disyembre, 2013
Dude, how was that party last night?

Man, it was pretty MFR!!
ayon kay Rikey Slade54 ika-05 ng Abril, 2011
Male/Female Ratio
"I'd love to move to South Korea, but the MFR there is much too high"
"Im so hyped for Sam's party! I heard that the MFR there will be really low."
ayon kay 9bit ika-14 ng Marso, 2016
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