look up any word, like fap:
 
8.
SFP
"Stop Fucking Posting"
Used on messageboards to deal with annoying trolls who post multiple threads over a short period of time.
SFP Marsyas, lern2suicide.
by Ted Vaunten November 13, 2005
 
9.
sfp
Sexual Favors Please!
An acronym written in yearbooks everywhere to embarrass the owner and show them how much you care. An embarrassing thing to have written on your body.
"Why does it say SFP all over your arms?"
"Um..."
"What does it stand for?"
"Sexual Favors Please..."
"Awkward..."
by sexualfavorsplease December 11, 2006