Dum 

The ultimate insult.
Being hit with it will make you disappear for exactly 92 seconds.

"You are a coward and a scoundrel"
"You are dum"
"AA-"

Dum by Commentur The Great February 15, 2021

Dum 

Someone who is so f*cking stupid they can’t even spell the word dumb right

Guy 1: you’re dum
Guy 2: says the one who can’t even spell dumb right you fucking retard

Dum by anonymous January 11, 2021

Dum 

Irony in it's finest form.

You mean dumb, right?

Dum by woodsterix July 25, 2011

dum 

The way morons type the word dumb

Wow im so fucking dum!

dum by Krazee Muffin June 12, 2004

Dum 

When idiots are mad at you, they write "you are dum" on a note and pass it to you.

Person 1: Look at the idiot over there. he just passed me a note that says "you are dum".
Person 2: He must really be dum

Dum by sir climer the great May 10, 2017

Dum 

Possibly the worst ironic word in the intire internet type. A shortenend version of the usually/possibly insulting word ' dumb ', which originally means 'unable to talk', but in todays language, means just plain stupid.

Umm...Umm. I think you are dum maaan, you can't even spell dum right- dum ass!

Dum by D Mob January 23, 2005

dum 

to not be smart about something or not make correct decisions
correct spelling dumb

"That girl is dum dude"

dum by heavy_a December 18, 2002