Sad Deathnight 

The complete, polar opposite of saying happy birthday.

Person: Happy birthday!
Guy: Not really, I have terminal cancer and I'm going to die in a few hours.
Person: ...Sad deathnight!

Sad Deathnight by monkeymanta December 12, 2009

Deathfighterism 

A sac-religious polyamorist extremest cult led by Deathfighter88. It spreads the message of intense fighting and death in order to please the god ᛋᚴᚺᚨᛁᛁᛁ (English Translation "SchaiII, or SkyI_I). The cult is estimated to be founded in the year 455 BCE, taking prevalence under it's current leader in the dawn of the year 2020, as the cult attached itself to a militant group known as the Grand Army of the Republic.

I joined the cult of Deathfighterism, now I only live to serve.

Deathfighterism by RecxlusiveVI March 2, 2022

Deathknight 

a class that became playable in the world of warcraft expansion Wrath Of The Lich King

i think im gonna spec my deathknight blood

Deathknight by bimman5567 April 19, 2009

Deathnight 

a dead night :| usually accompanied with a death threat :|

When you don't do anything at all at night.

Deathnight by jason May 13, 2005

Deathfist

Commonly used as synonym for the "Phoenix Smasher" attack of Paul Phoenix, a character in the TEKKEN videogame series. It is infamous for the absurd amount of damage it deals on a counter-hit.

Only idiots play Paul because they need his retarded deathfist to win games.

Deathfist by CS310 June 29, 2017

Deadheighting

Disrespectfully mentioning someone's old height after they have changed their height. In particular, this is something done to transheight people.

Gina:''Hey Mike, you seem like a nice guy but you are short so i have to reject you''
Mike:''Short?I m 242cm tall, thats very far from short''
Gina:''But i m 155cm and you are only 2 fingers taller than me, you are lying''
Mike:''I told you Gina i m transheight, wanna see my height in my ID again?stop deadheighting me''
Gina:'' Sry Mike that i m a transphobic piece of shit. You deserve better than me. I wish you good luck finding a better girl than me''

Deadheighting by ProudNIGGER January 21, 2023