Hatever

Pronounced "Hate-Ever" you say this when you would normally want to say "whatever" dissmissively, while also communicating that the person in question is simply hating on you in a stupid and inmature way. whatever hating hater

Girl: I'm becoming a vampire!
Dude: Vampires aren't real.
Girl: You just don't understand me, I'll never let you read my blog again!
Dude: Hatever...