SILFH

Pronounced "Sill-fah" and means "Sister In Law From Hell".

Similarly: BILFH and MILFH are "Brother In Law From Hell" and "Mother In Law From Hell"

We can't come over tonight because SILFH and BILFH are visiting.

by Unlimited Sky March 9, 2017

SILF

A Smurf I'd like to Fuck

She's a total SILF

by TJ34 April 19, 2018

Smilf

Single Mom I'd like to Fuck

Dam that Smilf is sexy.

by BiG BoB 420 November 4, 2017

Smilf

A “Smilf” is a “small mom in late fourtys” that is attractive

Omg dude your mom is a smilf

by S.m.a.r.tass6.9 November 23, 2017

sqilf

A Scream Queen I'l Love to Fuck.

Barbara Crampton is a complete SQILF.

by Saturn BD May 24, 2018

Smilf

single mom i'd like to fuck

yo your mom is a smilf.

by jeremiah guttierez June 14, 2018

SILF

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

Dayumm your sister really is a SILF.

by BlazeItDude March 7, 2018