Dumb Dirty 

A person who lacks intelligence and common sense and is outrageously promiscuous.

"How does that girl not realize that that guy doesn't want to hook up with her...and that three of her friends have already slept with him?! What a dumb dirty."

"I can't even stand that bitch. She's such a dumb dirty."

Dumb Dirty by For You MJ September 1, 2009

dumb dirty 

The act of doing a promiscuous activity, either alone or with one other persons, infront of an audience or crowd of spectators. Doing the dumb dirty will usually result in extreme embarassment and shame.

vinny: you abdu, how you gonna do that dumb dirty in front of all these kids at the part?
abdu: i'm am so ashamed, why am i dumb dirtying??
vinny: bruh nerd

dumb dirty by pharohdick May 26, 2014

Dumb Dirty Biker 

A Dirty Biker who went back in 2021 and got infected twice.

I recovered from Covid-19 from Sturgis 2020, but got a breakthrough case at Sturgis 2021 from another Dumb Dirty Biker.

Dumb Dirty Biker by anonymous August 25, 2021

Dirt Dumb 

Basically, the dumbest of the dumbest. Dumb as dirt.

Loyd is dirt dumb. He dropped his toilet paper roll in the toilet and put it in the microwave to dry it and burned the entire goddamn trailer park down. Dirt dumb.

Dirt Dumb by pdxjohnny99 March 27, 2016

dumb as dirt 

Being extremely stupid or gullible.

The Drill Instructor said Private Jones is as dumb as dirt.

dumb as dirt by DarkLurker May 1, 2005

Dumbdirty

nounDum-Derty - A person who is dumb and dirty at the same time. It makes saying it faster, condensing it into one word. Instead of saying, "wow that was dumb and dirty at the same time" you can now say, "DUMBDIRTY"

Chad: Your so uglyyyy
Carmen: wow just shut up
Matt, Pete,Jan: That was just DUMBDIRTY.
Carmen: Ohh my god....

Dumbdirty by Kanapp February 21, 2011