mfb

My sister is an mfb, seriously
by ashley demo September 19, 2006
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mfb

mother fucking bitches. (read: master fu's basement)

a groupchat. filled with freaks. and gay people, especially naia.
"Oh no, it's the time of the month, those it's the time for those mfb to clog the tl with their freaky confessions again."

"I wanna join mfb sm!"

"How can I join mfb?"

"We weren't allowed to join mfb so we made a mfb-wannabe gc. we're so cool and WACKY."
by GHOSTANON March 13, 2022
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MFB

‘The MFB is througghhh’-Jeremy Clarkson
by TG-TGT December 28, 2020
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MFB

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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MFB

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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MFBS

Mother-fucking-bullshit
by bobbbbbbb12415 March 03, 2010
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MFBS

Everyone said that chick was DTF but she wouldn't even come home with me. That's some MFBS.
by sexkittenmeoowwwww October 17, 2010
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