Adorable, cute, lovely, special, unique, something or someone so amazingly perfect that it makes no logical sense
Me: "Look at my new dress"
You: "OMG SO KAWAII!!!!!"
A faux name, can be anything from a food item to a fictional character. A name you give your crush without their knowledge so you can talk about them to your friend in their presense.
Girl 1: "I HAVE to tell you about what happened the other day" Girl 2: "Codename?" Girl 1: "Loki"