dupku 

Originating from the Slavic language, "dupku" is a slang that encompasses all types of insults referring to a person's lack of morals and ethics. It's something like "asshole," specifically for people who like to be assholes.

"Why do you act like a dupku?

dupku by Colatine November 25, 2023

Dupuyness 

The condition of being completely ignorant of the fact that other people know you are a fucking compulsive liar and that they cannot stand to be around you or hear you speak.

Your stupidity is only exceeded by your utter Dupuyness.

Dupuyness by Judge Presiding July 29, 2011

Duckulent 

How similar something is to a duck

John: Bob is acting very duckulent
Bob: Quack

Duckulent by Werrywit March 17, 2023

duskull 

A ghost pokemon with a skull for a face and two bones on its back. It's pretty much the coolest pokemon ever.

Ok, besides mudkips.

Person 1: So i herd u leik mudkippzz
Person 2: nd duskull, bitch.

duskull by Draik October 27, 2007

Duku

A term of endearment used often by N-Dubz. Duku Yourself acually means 'big yourself up'

'Yeah man, i got duku for you.'

Duku by Soniclugia NA-NA-NI December 11, 2009

Dunkus

When three people are walking, the dunkus is the one who walks behind the two people standing side by side. Defined in a twitter thread by twitter user @KylePlantEmoji in a thread created to define words that other users had made up.

Look at Kyle walking behind Sherry and Paul. Kyle is such a dunkus.

Dunkus by Bruhski. April 2, 2020

Dupur 

This is the combination of two animals, some sort of fucked muppet

1. The Dugong (or seacow)
2. The Taiper

used to describe your mates

Jesse, You fucking Dupur.

Dupur by Werks June 4, 2007