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Sucking and F*cking.
I was doin' a little S&F last night with my boyfriend, man my @ss hurts!
by masteriwi April 24, 2011
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Suck & Fuck - used to describe a hot session of sex
Lets do a S&F tonight
by Mike in Vancouver August 10, 2006
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"Starred and Flagged" - a term used on some forums including ATS (abovetopsecret) to denote an important thread which gets moved up to the top of the list.
This post is such a great find! S&F
by Surferess September 22, 2012
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"Shits & Farts"

Continuously saying shits and farts to annoy your fiancé by using the S&F to make someone's day bad.
S&F

"Shits, and Farts. Farts and Shits." repeatedly
by BuBraq4# October 28, 2015
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Creev, did yall s&f yesterday?”
“Nah we just had coffee for 5 hours”
by yungleb May 10, 2018
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A shorthand salutation used usually to end emails written by United States Marines. Stands for Semper Fidelis (Always Faithful) the USMC motto.
Jones,

Thanks for helpin us out back here. I'll make sure Gunny knows who came through for us.

S/f, Baker
by effshews March 17, 2014
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smoke and fuck
smoking weed and then proceeding to have sex

*THC intensifies orgasms and sexual pleasure
My girl and I love to S & F when we have free time on the weekends.
by TgangorD November 19, 2010
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