Definition from Wiktionary, the free dictionary
- (slang) Acronym of love you like a sister.
- "I've got to go, but I'll talk to you later!"
- "Ok! Lylas!"
Used in instant messaging, yearbook notes or e-mail to a friend and implies a friendship so deep that one's esteem for the other person is comparable to the love one feels for a sister.
- lylab (love you like a brother)
- lylas, in Urban Dictionary: Fularious Street Slang Defined, by Aaron Peckham, Andrews McMeel Publishing: 2005, page 4.