LLNP 

It's an acronym mostly used for birthday wishes. It means Long Life aNd Prosperity. It's mostly used by Nigerians, so you won't see people use it often.

I wish you LLNP on this special day!

LLNP by Sammy Fash September 5, 2016

LLNP 

LLNP stands for Ladies Love Nail Polish.

LLNP is quoted from Ed Atlin, a most prestigious tutorial video uploader on youtube.

"Why do you have nail polish??"
"LLNP"

LLNP by UberBunsen October 23, 2012