SMF
a "Sexy Mother Fucker." only the cream of the crop have the honor of becoming an SMF. It is an exclusive organization and membership is based on invite only
The warcry of the SMF: "SMF on three, one...two... three... SMF!!!
by WackoJacko January 25, 2005

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smf
Acronym for stupid mother fucker, often used in conjunction with l33tsp34|<, or more commonly, simply as a friendly expression used during internet chat or to spam message boards
My roomate just walked in and puked on his bed. What a smf.

You locked yourself out of your car! SMF!!!111one111
by m4wk July 16, 2004

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SMF
Shady Mother Fucker. Pronounced "Sss-Mef"
"I can't believe she said she was broke and she went out a bought the new Louis Vuitton bag that I wanted. She's such a SMF".
by b1eeder June 16, 2009

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SMF
Simply stated, it is short for Smoochy Face, an endearing term for a friend who ALWAYS takes pictures of themselves kissing their mate. It is properly pronounced smmmfff.
I've never seen a picture of you NOT kissing someone. You're such a SMF.
by Psuedonym for me November 25, 2009

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SMF
Quite simply, it is an abbreviation for
Sick
Mother
Fucker.
Such a person is despicable and warped and does things no sane or decent person who do. Also, "SMF" is an 1984 song by Twisted Sister. The song's words do not explain what the abbreviation means.
Slobodan Milosevic's generals are responsible for the rape, mutilation and sadistic sexual bondage of women and girls, as well as herding men and boys in concentration camps where they were forced to do sex acts on each other, drink piss and eat shit. The males either starved or were beaten to death. Numerous gross abuses were commited under Slobodan's orders. He and his military leaders are war criminals as well as a bunch of SMFs.
by I Saw U2 Live Twice December 26, 2006

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smf
sensational magnificent fuck
My girl friend knew that I was in a bad need of one so she gave me an smf
by CriostoirHulme August 05, 2005

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smf
Means: "sniff my fart".
A way to insult people to get your fart sniffed.
<Sickness> I hate you maZtah!
<maZtah> smf!
by maZtah June 27, 2006

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