Oh my god, Jackson is such a Doomer. He hates all the new games and insists that the retro games are so much better!
by blink-and-youll-miss December 10, 2019
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A Baby Boomer that believes we are all doomed by the behavior of the following generations
Jake: Did you hear Mr. Jones say the world is going to implode in the next 20 years?
Zoey: He is such a freaking Doomer!
by Urban humor January 21, 2020
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A Trump supporter who has started to realize they've been played like a chump for four years.
"OMG you said Trump might lose get out of here you DOOMER TROLL, no my precious fragile beliefs oh nooo!"
by DaveRichardson January 15, 2021
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A group of dummies who plays with sharpie markers and likes to eat at buffets!!
Gosh did you see those doomers at Golden Corral? They ate so many damn plates.
by blueballsdicknuts January 1, 2020
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A person who sees doom coming for humanity as a whole for either rational science-based reasons (AGW, nuclear war, doomsday clock, etc) or irrational reasons (zombie apocalypse, god's punishment, etc). Sometimes used as a slur against schizoid or loner types who have negative worldviews for mental health reasons.
This guy reading The Sixth Extinction is becoming more and more of a doomer as he turns the pages.
by dom-trussardi May 4, 2020
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n.

1. One who plays Doom.

2. Ball shit snake.
"Doomers are ball shit snakes." ~ Username
by Holy Avenger May 3, 2004
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