Top definition
Mother Fucking Beast. Someone who is the greatest at something.
P1: Did you see Sam make that touchdown?

P2: Yea, he's a MFB at football!
by LOTR4eva1 December 31, 2011
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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2
Mother Fucking Best-not to be confused with its homograph, meaning: "mother fucking bitch"- Should only be reserved for the people and things in the highest tiers of the world. The titles of all MFBs are mutually exclusive to all others in their profession. Examples: Warren Buffet, Madonna, Google
Wow Tiger Woods is a MFB
by bramcl August 15, 2008
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

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3
My sister is an mfb, seriously
by ashley demo September 19, 2006
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

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4
Mother-fucking-bullshit
by bobbbbbbb12415 March 03, 2010
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

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5
Everyone said that chick was DTF but she wouldn't even come home with me. That's some MFBS.
by sexkittenmeoowwwww October 16, 2010
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Golden Shower Plush

He's warmer than you think.

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6
Mutha Fucking Bitch!!!Usually horny peeps call this to slutty bitching girls
BOY: OMG u mfb!
can i lick ur boobs and eat u out???

SLUT(GIRL):SURE!!!
by sexiibitchinghor April 24, 2007
Mug icon

Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

Buy the plush
7
Mother Fucking Best-not to be confused with its homograph, meaning: "mother fucking worst"- Should only be reserved for the people in the highest tiers of the world. The titles of all MFBs are mutually exclusive to all others in their profession. Examples: Warren Buffet, Madonna, Google
Wow Tiger Woods is a MFB
by bramcl August 15, 2008
Mug icon

Golden Shower Plush

He's warmer than you think.

Buy the plush

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