[Dumb] 

To have a low amount of intelligence/to make bad choices

It was so dumb of amy to get drunk the day before her midterm

Harold is so dumb it hurts to be around him

[Dumb] by Just oneeeeeer May 28, 2018

Dumb 

If you don't know what this means then you are.

I'm sorry this definition is so dumb.

Dumb by an idiot defines... March 14, 2019

Dumb 

Somebody who cheats on their wife with a prostitute in Nevada.

Dumb cheated on his wife with a prostitute in Nevada.

Dumb by __anon_ October 15, 2019

DUMB 

1)Inabilty to speak, Mute
2)Lacking intelligence, stupid

That deaf "dumb" and blind kid sure plays a mean pinball --The Who

I cant believe you would test to see if that wire is live with your tounge. Man your "Dumb".

DUMB by Jdlaxer May 13, 2007

Dumb 

Dumb (duhm) means very pretty. Many times when you like someone you can refer to them as dumb, so no one thinks you like them and no one finds out. It is like a code.

"Yo, Ben is kinda dumb."
"Don't you like them?"
"Yes, yes I do"

Dumb by thewrapper29746 March 30, 2021

Dumb 

The definition of dumb is you

You are dumb for looking up "dumb" in the dictionary

Dumb by Urban Dictionary #666 January 1, 2017

dumb 

Someone who isn't smart.
see Stupid and dimwit

Im so dumb i had to look up dumb on urban dictionary to find out what it means.
Retards

dumb by Edz April 5, 2004