Wig Out

Freak out, go overboard, throw a hissy fit

An '80s term used when a friend or parent over reacts.
1. BFF-"Oh my God, my prom dress isn't ready"

ME--"Gee, no need to Wig Out!

2.Me-- "You should start the car, we REALLY need to get going."

BF--"Why?"

Me---"My mom is totally going to Wig Out if I'm late for curfew!"