silf's

Bailey and Ridgely, silf=sister-i'd-like-to-fuck.

Dude, the silf is rockin'

by kate January 11, 2005

SILF

Shirt I'd Like to Fuck

"BustedTees aint SILF..."

by An0nymous..... June 7, 2009

SILF

Sister Illd like to fuck

my sister is a SILF

by SexualityChecker July 18, 2018

SILF

Site I'd Like to Fuck

UrbanDictionary is SILF

by An0nymous..... June 7, 2009

silf

Sandwich I'd Like To Fuck

That sub at Quizno's is a SILF.

by Freakinhuge May 17, 2006

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 8, 2004

silf

sex i'd like to forget

dude, shack had some serious silf last night. He's still pissed off

by i banged your mom December 9, 2008