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the act of taking a massive shit that leaves behind an aftermath worse than the nukes that were dropped on Nagasaki and Hiroshima
"hey can you watch my grandfather for me? I've got to take a mondo duke
by dat boi 666 May 15, 2016
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May 19 Word of the Day
Voluntarily Celibate.
A person who chooses to be celibate. Can be for any given amount of time, for a short period or for their entire life. Can be for religious reasons or not.

related: incel
-Priests are volcel (or at least they're supposed to be).

-Gary was so upset after the divorce he became volcel for the rest of his life.
by kay_see October 23, 2007
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2
When your shit is bigger and more explosive than you thought causing you to flood and overflow the bathroom than you are in making it look like it’s from so sort of horror movie.
“Dude I took a Mondo Duke!”
“Crap, lets get out of here!”
by Nibbachin July 11, 2018
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3
1. (n) The gigantic shits that you take after a large meal, eg) post-thanksgiving dinner.
Aw jeez, Martin, I just dropped a mondo duke in your toilet and I broke sea level! Anyways where’s your plunger?
by Cranjus McBasketball IV November 16, 2020
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