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10.
SMF
The white alternative for the popular SMH (shake my head) that was created by black people. SMF stands for Shake my Finger....
guy friend 1: lets go grab a coke and see a ballet
guy 2: SMF youre super gay
by thewhitemagician May 19, 2011
8 9
 
1.
SMF
An abbreviation for "so much fun".

The antonym of FML.
Man: Where were you last night.

Man 2: I was at a karaoke bar. SMF.
by somuchf.com May 13, 2009
545 98
 
2.
smf
stupid mother fucker
Did you just fuck that bitch with blue waffles? SMF!
by goliath92738 April 03, 2011
80 50
 
3.
Save My Fucking Seat.
What you say to your "friends" when you get up at a party to go get some more beer.
Asshole #1: "Go fill my keg cup."
Asshole #2: "SMFS"
by Treighz November 28, 2007
22 10
 
4.
smf
"shaking my fist"

an acronym to let someone know that you are shaking your fist in joking anger. This can be thought of as going along with the phrase "why, I oughta...."
give me back my damn ps3, you've "borrowed" it for 5 months. smf
by j. yee January 17, 2011
41 31
 
5.
smf
Abbreviation for Sick Mother Fucker
Sarah: I just drank ten Snapple teas!!!!
Leah: you smf!!!!!!!!

*Vulcan sign*
by penemaestro73 July 03, 2013
5 2
 
6.
SMF
The acronym comminly used on twitter and instagram meaning: "Sit on my face".
Dayyyyummmm girl! that booty..... SMF
by yeeeeboi March 03, 2014
0 0
 
7.
SMF
Acronym for "Shake My Fist"

When something is so ludicrous that a simple shake of the head will not suffice. Geared towards actions that incite slight anger and/or annoyance.
GIRL 1: "Say whaaaaaaat? Did you hear that Arnold banged his maid, fathered her child the same week he had his own with Maria, AND took her along on family vacations? Shouldn't he just go DIAF?"

GIRL2: "Agreed. ROARRRR, SMF!!!!"
by guanva May 24, 2011
9 9