SILF

Stands for Sister I'd Like (to) Fuck.

Dayumm your sister really is a SILF.

by BlazeItDude March 7, 2018

SILF

Acronym for Student I’d Like to Fuck

Mary’s tits were spilling out of her blouse, so I made up a reason to have her stay after class. Jesus Christ, what a SILF!

by Sgt. Ponysauce April 6, 2018

SILF

Scarf I'd Like to Fuck
when you see a woman wearing a pretty scarf and you like the look of the scarf so much you want to take it home, have sex with it and ejaculate into or over the scarf

"did you see that blonde woman wearing the red and white polka dot scarf ?"
"that's definitely a SILF!"

by da wrong dooerflgflgkbjlfkgbml July 9, 2018

SILF

Sister I'd Like To Fuck

When your best friend's sister is so hot that you actually want to date them.

If they have a hot brother it is known as a BILF.

Oh my god, did you see Jackson's sister, she's such a SILF!

by hug2002 February 8, 2019

Silf

Son I’d like to fuck

My son is a silf

by Milfeeee March 3, 2019

SILF

Son I’d like to fuck

My son Joshua is a silf, all the men and women want him.

by Milfeeee March 3, 2019

SILF

Self-important little fella.

Boy, that lieutenant sure is a SILF!

by Mickey7 April 24, 2019