Sheep I'd Like To Fuck

Commonly Used in Wales
Welsh Farmer: oh, thats a mighty fine sheep
Welsh Farmer b: yes it is a silf.
by ROBERT SAVAGE July 8, 2006
Get the silf mug.
"Damn, that is one SILF I would like to fuck."
by ChriT January 12, 2017
Get the silf mug.
sister i'd like to fuck

(same concept as milf)
that silf lives in your house?!?
by Spyder January 5, 2003
Get the silf mug.
I was like hey wargo, he goes what do you want, I said besides your sister and then he threw a sandwich at me in disgust
by Ruben Mothballs June 16, 2003
Get the silf mug.
A silf is a "sister i'd like to fuck". it is the same idea as a milf. Silfs are usually absolutely georgous, sexy, irresistable, and extremely flirty
Guy 1: "Dude you have to meet my sister Alie, she's a total silf"
by alwaysaladybug February 3, 2011
Get the Silf mug.
Sister, I'd like to fuck (you like a wild animal)
by Big Tool December 26, 2003
Get the silf mug.