A word that describes something that is outright bullshit or a load of rubbish, with excremental relating to fecal matter, the pure definition of shit. Something excremental is so untrue that it makes you slowly lose hope in humanity, results in immediate laughter, and makes you question whether or not you are hearing things.
Person 1: Hey, did you hear that a professor who has a Ph.D. in pseudoscience discovered that humans are descended from giant alien hawks from the 6th Dimension? That's means that humans are really multi-dimensional birds!
Person 2 (internal thoughts): I just can't describe how excremental that statement is...I mean, how could anyone be so hopelessly dumb?
Person 2: **Bursts out laughing uncontrollably.**
by Flaminghorse June 18, 2019
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The piling on of more and more shit i.e. in a work environment. This came to me while I was thinking about the ongoing difficulties one of our senior managers was causing. We were working on a project for her and every time we were close to completion, she would change her mind or make more and more outrageous requests. The word is a combination of incremental and excrement. So the next time you are in a situation of any kind where the shit keeps mounting, you my friend, are in an excremental situation.
The project will not be completed due to the excremental shenanigans of our boss.
by Hopeyalikeit October 18, 2013
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Raising a given constant to the power of its argument, in a shitty manner.
Paris Hilton's popularity has grown excrementally since she released her video.
by TruculentPug July 17, 2006
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soft term (substitute of "shit") used by people who think that swearing will make them go to hell.
Swearing dude: oh shit! i forgot to do my fucking homework!

Hell-fearing wimp: oh excrement! i forgot to do my "sex-having" homework!
by yeah whatever January 21, 2005
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a cross between exponentially and incrementally, the degree to which random events can compound in ever increasing amounts

"when shit piles up all over the place"
"The odour from the cat litter box increases excrementally as The Andersons failed to return from their weekend In Hoboken."
by Brackish Menzies August 6, 2017
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The process of creating an answer for a question using absolutely no real data whatsoever. Derived from the words excrement and iteration, it is synonomous with 'accessing the rectal database'.
J.T. - Our sales Veep really pulled those forecasts out of her ass, didn't she.
D.S. - Yeah, it was a brilliant display of excrementation.
by mibutt December 12, 2007
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