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silf

acronym for sister i'd like to fuck. derived from milf another acronym this time for mother id like to fuck.
damn phil's sister is a fucking silf
by Allay June 17, 2004
mugGet the silfmug.

silf's

Bailey and Ridgely, silf=sister-i'd-like-to-fuck.
Dude, the silf is rockin'
by kate January 11, 2005
mugGet the silf'smug.

silf

"Hey Partel, see that fit smurf over there?"
"oh yeah that's a real silf"
by smurfdoctor May 28, 2009
mugGet the silfmug.

Silf

Hey Brandt, your Sisterin-law is a SILF!
by Achilles2009 April 16, 2009
mugGet the Silfmug.

silf

by persnickety twit January 14, 2005
mugGet the silfmug.

silf

Amanda Beard
I heard Amanda's posing nude in Playboy, what a SILF!!!
by Rich Vaccaro July 22, 2007
mugGet the silfmug.

silf

lonely farmer: damn look at that SILF
sheep: baaaaaah
by cnicolek September 15, 2007
mugGet the silfmug.

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