1. A person or thing that is innately depressing 2. An animal that falls to the floor and is unable to stand. Downed animals are oftentimes trampled by other animals. It is perfectly legal to allow downers to die from exposure or to throw them live into dumpsters.
The factory worker watched the downer cow slowly die, while eating a hamburger.
by jj975 April 13, 2015
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Someone who suffers from the ever popular "Syndrome of a Down". Usually sports a hideously deformed face and torso, crooked almond eyes and drools constantly. Known for ruining innocent, unsuspecting couples' lives with thier selfishness, they are generally an embarrassment to their families. They generally meander around causing unnecessary noise and offending people with their mere existence in cases where "too-nice-for-their-own-good" families have decided not to abort them or throw them to the wolves shortly after birth.
"That dude's a downer - notice the almond shaped eyes, hunched back and pulsating tongue, complete with an incessant flow of drool. Where's the shotgun?"
by Jes O'Briar March 10, 2008
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What extreme System of a Down fans call themselves. Most likely because they are the most kick ass band out there.
Slipknot fans are maggots, System fans are downers.

Tom: Dude I love SOAD.

Jim: You're such a downer.
by beanerwithaweiner June 30, 2006
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Someone who doesn't take their Joy.
Me: You are off your Joy, here take mine.
Downer: No. I don't want to be happy.
Me: Oh my word, your a Downer!
by ishirose November 28, 2020
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a person place or thing that has down syndrome or looks acts or dances like a retard.
usually lacking their full 46 chromosomes.
Often used by Marina and Laura
"look a Fred, hes such a downer"
by C-Downer-Breezy May 30, 2009
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Someone who feels unloved, because the universe does not love her and never did.
Yo, dang, jew smoke son peyote an shit? Wutcha making yo mama a downer for dawg?
by sulumor March 23, 2016
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