silf's

Bailey and Ridgely, silf=sister-i'd-like-to-fuck.
Dude, the silf is rockin'
by kate January 11, 2005
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SILF

"BustedTees aint SILF..."
by An0nymous..... June 07, 2009
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SILF

my sister is a SILF
by SexualityChecker July 18, 2018
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SILF

by An0nymous..... June 07, 2009
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silf

That sub at Quizno's is a SILF.
by Freakinhuge May 08, 2006
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Silf

Sister I would like to fuck.
much like Milf, Gilf, Dilf(dad),Dilf (dog),Dilf(donkey)Cilf(child),Bilf,Cilf(cat)or any other farm animal.
Person 1:OH MY GOD, look at that chick.What a SILF.
Person 2: Dude, thats YOUR sister. That's nasty.
Person 1: It's called SILF for a reason dude. DUUU
by ill bang ur sister! December 08, 2004
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silf

dude, shack had some serious silf last night. He's still pissed off
by i banged your mom October 19, 2008
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