1)lylah usually refers to a very random girl who can be extremely hilarious. lylahs are usually really pretty and they are experts at taking people's cases. especially of the self obsessed ones :D.
2)lylah is also means:
" love you like a homie "
1) "Look at that girl ribbing the weirdo
lmao she's such a lylah!"
2) person 1:"i'll let you borrow that skirt of mine :)"
person 2: "omg i lylah!"