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 We'll never spam you.