Member of the Order of the Perpetually Outraged. Those idiots who find themselves by EVERYTHING that is said or written.
In today's newspapers the mopos reacted with predictable outrage to the Gourmet Burger joke ads teasing vegetarians.
by aondotri April 29, 2016

Short for Motivational Poster. Although, strictly speaking, if it is called a MoPo, it probably isn't very motivational. Just in the same style as a Motivational Poster.
by Andelicious October 19, 2008

MoPo is short for the "morning poop".
I'm like clock work! I wake up. Wash up. Sit in front of my computer and then I have to go and take my MoPo.
by SupaMD July 27, 2007

by soleilswag December 11, 2009

by Rich January 28, 2005

by Speedy25 February 19, 2009
