A common phrase used to show liking to someone. Invented by an Israeli satire show for a character based on the Ranana vice-mayor, Uzi Cohen.
he: I really like your ideas
you: you, you cute you
This you is used when you expose someone or try to make fun of a pic of someone.
Hey Jonathan this you? After you expose him.
a beautiful person that is amazing in every possible way. they're a gift to the earth and are loved, by me especially.