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One who imagines the 'worst-case scenario' as something so completely horrific it borders on absurd. A 'catastrophist' usually starts by saying "Yeah but what if..." then, talking at a normal speed, increases speed until they're talking very quickly as they relate their vision of the 'worst-case scenario' which may involve any (or all) of the following things: A psycho with an axe, getting chopped up into little pieces, ending up homeless and destitute, sucking dick for crack, any number of serious diseases or medical afflictions (See Chuck Palahniuk's "Choke" the main character had catastrophist tendancies)

see also "final destinationism" (yet to be defined)
"Dude, it's one stupid term-paper"
"Yeah but if I don't do well on this one then my GPA falls and I'll never get into a good college and I won't get a good job and that will DEVASTATE my mother and she'll commit suicide and I'll have to take care of my little brother and he'll get Lupus, need a kidney and I will be forced to sell my ass on the street because I can't afford the surgery because I don't have health-care all because I failed this stupid paper!"
"Stop being such a catastrophist, it's not even worth 10% of your grade!!!"
by jaci_b September 28, 2007
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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The person who sees the worst possible outcome in everything.
Being a catastrophist, Benji’s mother imagined her son falling through the glass table every time he tried to climb on It.
by Pumpkin123 March 11, 2018
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