1 definition by john ellsworth

Top Definition
Optimal Pooping Moment; a poop that requires one wipe and you're clean.
Matt Prezioso got very excited when he got an OPM before going to temple because he was late for his mozza meal.
by john ellsworth March 10, 2010

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.