Silf 

Means “Sister id like to fuck”

Hey Silf is that okay?

Silf by xkloudii December 23, 2019

SILF 

Streamer I’d Like To Fuck

Shrubbery_Queen is such a SILF

SILF by StayingAlive May 4, 2020

Silf 

a fb shitposter you’d like to fuck
“shitposter id like to fuck”

“dude do you know this person?”
“yeah hes a silf”

Silf by yergothdad May 6, 2020

SILF 

Sister I’d Like To Fuck.

Basically Addison Rae.

John:”Bro Addison Rae is so hot!!”
Max:”Yeah bro she’s a bad SILF”
John:”What the fuck is SILF?”
Max:”Sister I’d Like To Fuck”

SILF by MikeOxlong_v2 May 24, 2020

SILF 

"SILF" is an acronym for "Sister I'd Love to Fuck", which means someone's sister who'd you like to have sex with.

Boy #1: Gosh- Lily's sister is such a silf!
Boy #2: They are both silfs dude!
Girl #1: You guys are both right! They are silfs.

SILF by Brainrotgobrrrr April 26, 2021

Silf 

Someone I’d like to fuck

Jeez Gus is such a silf😫🤤

Silf by Olivia & Keira May 12, 2021

Silf 

A hot older sister.

"Mann your sister is such a silf"
"what the fuck shes my sister"

Silf by Jocelyn the Helicopter June 4, 2021