Donacdum 

Donacdum has two different definitions:
1: Don't Act Dumb is a line said by Houston, from the video game Payday 2. The community makes it sound like he is saying "Donacdum", and a Payday meme was created
2: A song created by Lord Simon Viklund, and voice actor and musician, mostly focusing on the soundtrack for Payday 2. While he worked with Overkill Studios, he created the song in the light of the communities reaction to Houstons voice line.

Houston: Donacdum!

Civilian: Okay! Just don't shoot!

Donacdum by Dennis420Blazeit August 15, 2017

donacdum 

A quick rendering of telling someone to not make stupid actions and/or decisions in the current situation they got themselves into.

Hey Wallace, James is coming over for the afternoon, so donacdum, will you?

donacdum by Wollo July 25, 2017

donacdum 

DONACDUM is a mondegreen of the line Don't act dumb in the game payday 2 said by the character Houston. the line eventually became so popular that it became part of a song in the official soundtrack of the game. the title of the song is the same as the line DONACDUM.

Person 1: are we going in?
Person 2: yeah but DONACDUM

donacdum by BrosterMedia November 15, 2016

Donaldump 

1.A boule movement so intensely gratifying that it induces euphoria. 2. Word used to describe a remarkably useless or despicable person. 3. The forty-fifth President of the United States of America.

Man! I'll never forget the Donaldump I had after thanksgiving this year what a rush!

Donaldump by sillysilverswag May 3, 2018