Dert dert 

Word used to express stupidity. Best used in a Valley girl voice. Can also be used as just Dert.

Girl 1: Oh shit! I spilled my coke!

Girl 2: Ha! Dert dert.

Dert dert by Jessica Bettina September 4, 2006

Dert dert 

Slang word for retard or retarded

Ms. Singleton called her second grade students dert derts.

Now she is a real dert dert for that one because she lost her job.

Dert dert by Flabbergabber May 18, 2023

Dert-dert 

A noun, sometimes spelled dirt-dirt, referring to a Backwoods, Hillbilly, Hick, Hayseed, or a Redneck. The word is derived from the way they sound when they talk "Dirdie-dirt-dirt-dirt". It is often pronounced in the accent of a Redneck.

"Man, that guy's a dert-dert" "He was going on about his pickup truck like a real dert-dert"

Dert-dert by Meme-squire December 29, 2018

Ska dert 

To leave quickly.

“I’m runing late again, I have to ska dert”

Ska dert by Skadertter84 June 9, 2018

Dert 

Dert is like dirt but cooler and red. When it rain dert evaporates.

Person1: Hay it's dert

Person 2: What's so good about dirt
1:not dirt dert
2:what's that

1:look it up on the urban dictionary

Dert by That creepy nabour August 28, 2021

DERT 

The town of SouDERTon, Pennsylvania, located in beautiful Montgomery County, in the suburbs of Philadelphia.

A yo, I'm reppin' DERT for a lil' while.

DERT by Heavy Heavener November 22, 2005

Dert 

1. replacement for words, showing no intrest.
2. over-exaggerating un-clean

1- Yo what up Joe? *silence* derrrt?,
2- You were looking pretty derty today bro!

Dert by Jwords April 27, 2008