ylf

Young Lady Friend

What did you get up to last night?

You know, just spent some quality time with a certain ylf.

by TheScottishMafia December 9, 2010

ylf

Short for: you lazy fuck.

Person 1 didnt show up at school.
Person 2 texts: ylf?
Person 1 answers: Yeah I was really tired this morning :P

by Akidon October 30, 2008

YLF

you little fuck

YLF!

Oh, that's it, YLF!

"I made out with your girlfriend"
"YLF"

by alfe November 12, 2011

YLF

YourLeastFavorite - a well known user on the infamous/famous website tickld.com, where you can spread laughter, cure boredom, and get called cunt a lot

YLF is also the name YourLeastFavorite

by Dookiestew September 2, 2016