Adj- Describing someone who is not an optimist, by any stretch, to the point of being downright annoying.
Also, pestimist, pestimism
Also, pestimist, pestimism
Caleb: "It looks like rain. My glass is half empty. It's only a matter of time before the terrorists Strike Back. Unless the world ends in 2012."
Dave: "Gosh Caleb, you're so freaking Pestimistic."
Dave: "Gosh Caleb, you're so freaking Pestimistic."
by Pesty May 18, 2009

by Prenouncer September 24, 2019

One who is extremely pessimistic, and has an annoying habit of always saying bad things are going to happen any chance they get. A pessimistic pest.
My brother is constantly going on about anything and everything that can possibly go wrong. He is such a pestimist.
by Hannibal Cannabis May 25, 2019

Having such a distrustful view of life that it becomes harmful for other humans to be in contact with such a person.
He is so pestimistic that he has become toxic for his colleagues.
by CipherGirl April 24, 2023
