A phrase that originated in the south western United States, particularly South West Florida.

Doomsday describes the beginning of a homie's eventual drift from a friend group; especially due to their infatuation for a woman.
"Yo jit, where's Bryce at? With that girl again?"

"Idk bro, but I think it's Doomsday"
by JacksonWack April 14, 2022
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When your favorite band breaks up.
Friend1:"Dude! Goodnight Nurse broke up!"
Friend2:"Man, this is a crappy Doomsday."
by K3wl55 K@7D:< June 6, 2010
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The 15th of every month

As made popular by rap group Doomsday Productions.

At 11:59 pm on the 14th of every month, members of Doomsday Productions gather together. At exactly midnight on the 15th, they party, write messages in the street with alcohol and whatever else Doomstas do, in celebration of being alive one more month and paying respect to those who no longer are around.
Doomsday is the 15th of every month
by asia702 March 12, 2009
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The act of paring someone to a Par^6 on the scale from Σσς^42 = 1 par/ The strength of mans par
Doomsday.

Andrew ... "Eeee my man morsecode beat mikes nan to death with a rubber chicken"

Daniel ... DOOMSSDAYYY !!!!!
by TempzDoomsday September 15, 2010
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overwit-doomsday: As of 2023 the world is nearing a nuclear war and people are going crazy with mass shootings, layoffs, debt, AI
ChatGPT can possibly cause overwit-doomsday!

Due to all the threats from China and Russia, overwit-doomsday can ignite any day now.

The US debt, mass shootings and mass layoffs could cause overwit-doomsday.
by Mr.OVERWIT May 2, 2023
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a partner (usually sexual) who accompanies you while on the edge of the world, during dire life or death times
fuck man, i think i lost my doomsday buddy to the recent social distancing. i think she found someone else, and i’m sure they’re having the best sex of their lives
by willk1119 March 14, 2020
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Person 1: "Your dick isn't doing it enough for me."

Person 2: "Okay, let me pull out my Doomsday Fucker."
by The Butt Fuck February 8, 2018
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