detdede 

Also dedede, just pronounced differently.
meaning, retarded, stupid, or just plain dumb.

A sound a retarded person makes.

(normal person) Hey whats up man?
(detdede) DETDEDEEEEEEEEEE!!!!!
(normal person) yeah.. thats.. awsome....

detdede by MRFRENCH July 7, 2009

King Dedede

The best character in the Kirby franchise and is the biggest meme in anime history that has not and will not ever die. Get it fucking strait

Me: I main King Dedede.
Other People: Shit. I'm Fucked.

King Dedede by The D-Mind June 17, 2018

King Dedede

The perfect lifeform.

King Dedede is already perfect, so his inhale won't copy abilities. Instead, it has a longer range than Kirby's.

King Dedede by Dattix February 3, 2019

King Dedede

The perfect penguin that will clobbah dat there kirbeh

Since he's perfect he can be used any time anywhere and infinitely. #King Dedede

King Dedede by Dededestructive October 11, 2019

King Dedede

The main antagonist in the Kirby video game series. A big penguin that can wield a hammer. He has appeared in many games. His latest appearance was in Super Smash Bros. Brawl.

On April 14, 2008 on Smash Bros. Dojo (the website that posts daily information about Super Smash Bros. Brawl) revealed that the director of the game, Masahiro Sakurai, was the voice actor of King Dedede. In the game, Dedede makes sounds but does not talk.

1. King Dedede had an epic match with Kirby. But Kirby won and took back the stolen food.

2. Sakurai: *laughs*
Iwata: *laughs*

Now...
Dedede: *laughs*

King Dedede by inb4landmasterz April 14, 2008

dedederail 

Derailing a fourm thread with puns starting in Dedede.
Originated in the Awkward Zombie Fourms

These puns are DEDEDElightful

You just dedederailed the thread

dedederail by pikscast October 28, 2014

dedede 

GIANT Penguin. From the Kirby games, and appears in Brawl. Known for his Waddle-Dees and "Big-Gay-dance". (Final Smash)

Guy: I just unlocked King Dedede in Brawl!!!
Girl: So? I could still own you with Link.

dedede by Yukie February 25, 2009