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1-abbrievation for Motherfucker

2-Slipknot's first release. It's full name is "Mate.Feed.Kill.Repeat". It isnt there frist album, but a demo released in 1996. It only had 1000 original copies, and slipknot's original label took there remaining copies, which led to slipknot not having any copies of it. It's very rare and costs a shitload of money to get a copy, and you gotta buy it from amazon or ebay, unless you download P2P's of it.
1-fuck u MFKR!!!
2-im gonna buy a copy of MFKR on ebay!
by Raw Faith December 17, 2009
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Mate Feed Kill Repeate/ MOTHER FUCKER
you sir are a MFKR or

Person1: wut u gunna do with ur life?
Response: MFKR
by yan ho September 03, 2005
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OK, you're probably confused as to what M.F.K.R. is, but you probably already know it's something to do with Slipknot. Basically, it was Slipknot's very first recorded content, a demo. It stands for "Mate. Feed. Kill. Repeat." It was released in 1996 and there were only 1,000 copies made. The band members at the time were different to the members now (2009). Slipknot considers M.F.K.R as a demo, and that the band has evolved greatly since they recorded it.
Maggot 1: "I'm listening to M.F.K.R."

Maggot 2: "Sounds familiar, what is it?"

Maggot 1: "Slipknot's first music recording."

Maggot 2: "I thought their first album was self-titled?"

Maggot 1: "This was before that!"

Maggot 2: "I still don't get it, let me check Urban Dictionary"
by CloakedReapingDagger October 20, 2009
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