Top Definition
Someone who wishes to cleanse the world...and be cheerful about it.
"The Pope says that we should create a disease to make 99.9% of the population die while laughing. She's a Pesoptimist."
by Lexi77 August 24, 2007
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×