by ROBERT SAVAGE July 08, 2006
by ChriT January 12, 2017
by Spyder January 05, 2003
Kristen Gillibrand is a silf.
by Crazyhat Williams April 20, 2009
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
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
by alwaysaladybug February 03, 2011
by Big Tool December 26, 2003