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."