A fork of Rural Dictionary
A person's sister you will like to fuck
I told my friend he had a silf
Slug I'd Like to Fuck
Slug as in a woman's damp pussy
Look at that girl over there, what a SILF.
I want you to rub your slug all over my bald head.
A silf is a "sister i'd like to fuck". it is the same idea as a milf. Silfs are usually absolutely georgous, sexy, irresistable, and extremely flirty
Guy 1: "Dude you have to meet my sister Alie, she's a total silf"
SILF or SILFing. Self Inflicted Laughing Fit.
A SILF occurs when you do or think about something that amuses you so much you have a laughing fit. You might send a text to a friend that makes you collapse on the floor with laughter.
"I just handed out brochures whilst doing the chicken or beef dance to the theme tune of Air Crash Investigators. hahaha tears! I just SILFed myself!"