It’s when so unbelievably dumb, that the only good response is “big dumb.” It’s just so unfathomable that someone would even say or do that certain thing.
*Nicole puts a sweater on a dog* You are big dumb.
by punkedanddisorderly November 5, 2018
More than just dumb, usually when one perfoms an action that is too dumb to be considered just dumb.
That’s big dumb, bro! How did you fail that easy test?
by russ.n8 April 1, 2019
When one uses this phrase, they are referring to something incredibly stupid, embarrassing, or dumb, that they or another has done.
I just tripped and fell down the stairs

“Big dumb”
by big yike November 26, 2018
Verb. Moments when you have a time of stupidity

Noun. when you constantly do things out of ignorance and are called the big dumb
I'm sorry i wasn't paying attention i had the big dumb
you are the big dumb
by Benny Dunn January 5, 2019
Jewstain Speedo, a dumb nigger that lives in a small town, usually can be found eating out cats and other household pets.
Did you see that big dumb nigger at school yesterday, he sure was a dumb nigger
by dmjelliott April 2, 2018
The little shit of a spider that lived in a Minecraft world. He’s big, he’s dumb, and he’s stupid.
Max: Are we gonna kill the spider?
Ross: No, we’re gonna mock him until he dies. Get fucked, Big Dumb Stupid.
by Pisscum September 13, 2019