nuclear over-reactor 

A Person who over reacts to everything

I told Brian I can't go to the movies with him, now he thinks I'm pissed at him, he's such a Nuclear Over-reactor!

nuclear over-reactor by ccplaya December 31, 2016

Overreactress 

A drama queen that makes everything out to be a huge emergency for the effect of gaining attention.

She always thinks she has cancer, she is an overreactress.

Overreactress by jebunny March 8, 2010

overreactor 

a word use to describe something that really didn't happen or is 3 times worse then what really happened. Used among many to be cool....who are often failing at life. And doesn't usually work. often called a douche right after explaining the story.
so don't be a douche

none overreactor- yeah i fell yesterday and scraped my knee... yeah im fine

overreator- yeah i was playing football yesterday and i like tripped on something really, really strong... i don't know what it was but anyway... i was like in mid air for like 12 seconds and the i was like doing a hand stand but without my hands and then i fell on my knee and the scrape was soooooooooooooo deep i could like see my bone and i think it might of broke, its hard to walk on....WHAT....NO...NO I DIDNT CRY....

overreactor by Vintage-sbjv July 27, 2008

overreactory 

Adjective

Used to describe behavior in a situation that above and beyond what was necessary. Used in lieu of "an overreaction"

This was not a production issue, so the panic in slack was overreactory.

overreactory by AnimositySteve December 15, 2021