It is used to describe someone as overwhelmingly positive on the
outside, seeming
as if they're
perfect. However when you get to know them better, they are actually pretty depressing inside.
Cinnia: "Woah,
xxx is so
cool, he so intelligent and emanates positivity, he's my angel."
Emma: "
Nah, when you get to know him, he's actually just a Leal, but he's still fun to be around."