Kaikene
A Kaikene is a beauty who thinks she's the best and will say so. She'll drop F-bombs and make you feel stupid.
You: I got an A on the test. Kaikene: Big deal. I got an A and still made fun of you.
You: I’m going to win the competition. Kaikene: You? You’re going to win? Please.
You: I’m going to the store. Kaikene: You’re going to the store? I could have gone.