When someone is dumber than you and also the dumbest, whether they are one of the dumbest people you know, or the dumbest in the world.
Friend 1: Wow, Aiden is really the dumberest person I know.
Friend 2: What'd he do?
Friend 1: He tried to fight a guy twice his size.
Friend 2: Wow, he really is the dumberest
The most logically-challenged portion of the general population for which the most obvious warnings, posts, signs and instructions must be written or designed to avoid catastrophe.
On the lid of the coffee cup: Contents may be hot.
On a package of kitchen knives: Caution! Items are sharp.
On a trash bag: Do not place over head.
At a railroad crossing: No parking.
On a clothes dryer: Do not place children or animals inside.
"This is the dumbest sign I've ever seen. Do they think I'm a complete moron?"
A: I just read that youtube comment and felt like my IQ dropped by like 10 points.
B: Youtube comments section is literally the dumbest place on earth. I'd suggest you read pornhub comments instead.
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A: Thanks man, that was really helpful advice.