I'm having the urge to throw a hissy fit at my family.
Sounds like your emotional right now, you throw a hissy fit often?
Last time I had a hissy fit, I found out my dad put a camera in my room.
It is understandable to be mad at your family when they do something that you do not like, but you should not throw a hissy fit when angry. You have to act mature and tell them that you do not like what they did.
I'm 18, I don't have to act mature. It's more fun throwing a hissy fit.
You are technically an adult. Throwing a hissy fit isn't really going to get your point across. Your family will probably look down on you are practicing this.