SILF

Baily and/or Ridgly (Sisters of Smapdey). Also see the The B&R

Boy, smap's sister's are deffenately silfs. Especialy those tits and edible training bra!

by Chester January 11, 2005

SILF

Per an application (Naughty Gifts) on the facebook: a "Sheep I'd Like to Fuck"

On Brokeback Mountain, Jack's ass was not the only thing that Ennis lusted for. There were a multitude of SILFs to deflower and so Ennis brought a new "silence" to the lambs.

by theportangel June 13, 2008

SMILF

broken smile

This can represent either a half hearted attempt to smile
-or-
A faked smile to hide your true emotions

I was depressed and my attempt at smiling was no more than a SMILF.

I SMILF'd at that jerk Joe who thinks he's my friend even though I publicly dislike him.

by xkcd42 February 26, 2009

SILF

Slut I'd Like to Fuck

Despite sluts are possibly diseased, it doesn't stop me from fucking them. All I have to do is put on a rubber. If they're ugly, no brown paper bag or rubber. The hot sluts are always a SILFs.

by Jamesbobond August 20, 2011

Silfies

Someone with the name of Silfies tends to be a very timid person. Someone who has a low IQ along with the fact that they have a tendency to spend very little money on condoms due to lack of sex.

Oh his name is silfies? I feel bad for him

by The super Golden November 18, 2011

SILF

SILF(Sister I Liked To Fuck) typically can be a term used as a friend's hot sister or a girlfriend's sister

Jerry:man Victoria's older sister is a SILF man there are so many things I would do to that piece of ass. Marcus:dude I know and I'm Victoria's study partner for physics and all I do is stare at her sister the whole time.

by Mayorofpoundtown February 28, 2014

SILF

(High school) Senior I'd Like to Fuck.

Similar in concept to MILF.

OMG! He's totally a SILF!

by TotesMcGoatsAFILF May 1, 2014