Cayuties is a cooler way of saying "That's way cute" or "That's way to Cute", It depends on the way the person uses it in the sentence. It is used by not to many girls and guys in New Jersey, maybe even other places in the world.
Bridgett : Omg! Where did you get that outfit?
Ana : I got it at Hottopic. Why?
Bridgett : Cuz it's like CAYUTIES! <3