(n.) A highly offensive odiferous emination, or smell (in layman's terms), named due to its close relation to the smell of a canine's anal cavity.
Worker 1: "Been sweatin' our asses off all day, and now we gotta sit in this truck for the next two hours."

Worker 2: "Yep. You rot. It's gonna be smellin' like updog in here real soon."
by T.C. "The Chad" November 11, 2007
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A serious illness often causing death within the first month of infection. It is not a laughing matter and should be treated with absolute caution. Those that have it often experience symptoms such as build-ups of Ligma, constant Sugma release, finding a unique interest in tapes and CD's, and anal inflammation.
"Why is Aidan not in School?"
"I heard he has Updog disease."
"Oh my god, that is terrible and not a joke in any way"
by Dr. Underthere March 10, 2020
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this sentence is using the word "What's Updog?"
by some random ass kid January 18, 2022
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When you ate so much spicy food, that your spicy excrements the next day will deliver a anal/prostate orgasm.

Not to be confused with a Mexican lawnmower
A: I just had a Mexican updog because of that spicy salsa yesterday.
B: Shit man, do you need some clean underpants?
A: No mate I’m alright, it happend when I was at the toilet. I felt like a cosmic experience, pooping the universe by having one toilet visit at a time.
B: aight mate, wanna grab some hot Cheetos after work?
A: Oi mate, let’s get a bunch of them!
by Cosmic pooper April 11, 2022
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A break from an activity in which one attempts updog jokes.
Mike took an updog break to satisfy a much needed fix after two games of Warcraft III.
by Drew the Dude April 20, 2006
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someone: joe has updog ligma!!!!
some guy: who's joe? what's ligma? what's updog?
someone: joe mama, ligma balls, nothin' much.
by BenSav March 27, 2021
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A strange smell of canine fur in the current location or room, usually coming from the ceiling or the upper corners of the room.
"Ugh, it smells like updog around here. Imma go turn on the A/C."
by whats_updog December 21, 2020
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