SILF

from the word milf. SILF means sister id like to fuck!!

yo dude you sister is a silf!

by Jscars March 13, 2009

silf

Smurf I'd like to fuck.

"Hey Partel, see that fit smurf over there?"
"oh yeah that's a real silf"

by smurfdoctor May 28, 2009

SILF

Stand I'd Like to Fuck

"—Gold Experience is definitely a SILF
— Ur horny, go to sleep"

by Feasia October 15, 2020

Silf

Sister or Sister in-law I'd like to fuck

Hey Brandt, your Sisterin-law is a SILF!

by Achilles2009 April 16, 2009

silf

Skull I'd like to fuck

Paris Hilton is such a SILF!

by persnickety twit January 14, 2005

SILF

Scholar I'd Like to Fuck

Chuck: "Hey bro, have you googled Nina Hachigian? She is such a SILF!"

by Charlwagle February 9, 2009

SILF

A sister you would like to have sexual intercourse with. Usually goes by the name Danielle or something close to that. Usually has one brother.

Stuart- Woah! his sister is such a silf by the way!!!

by Roycropperfan999 December 24, 2010