dekiru 

Japanese for "can / to be able to". It is used within the Japanese learning community (particularly 4chan) to refer to those who have reached a high level of Japanese proficiency or those who are considered able to do so. It may also be an adjective referring to the state itself.
Antonym: dekinai

No dekiru would waste their time on grammar. Just read more.
My friend just passed N1 with a perfect score. He really is dekiru.

dekiru by timimouryou January 31, 2022

Devirus

A fake disease that makes you prolong letters used in a word and use wrong english grammar

Josh: Why didn't you submit your homework?
Max: Mehhhhhhhhhhhhhhhhhhhhhh
Martin: Looks like he has devirus
Max: Yeah opopopopopopopopop

Devirus by Adybwoi August 31, 2021

Flash Delirum 

Flash Delirum is temporary insanity. One may experience a case of flash delirum at any point in ones life.

Patience: doc, ive been having these wierd reocuring dreams lately about strange alien life-forns and things just dont seem right.
Doc: i think we have a case of FLASH DELIRUM!

Flash Delirum by gethighonlifenotdrugs May 18, 2010

dekiduki 

when a friend comes over to your house takes a dump in your bathroom and does NOT flush the toilet.

Yo... when u came over to drop off the dog Did U or DID U NOT leave me a dekiduki?

dekiduki by BlackPanther415 March 4, 2009

Dekius 

Most handsome guy in the world .. so loving 🥰

Dekius is Tanaih’s nigga. #forever

Dekius by Slimey6L November 14, 2021

Dekrius 

A little virgin cuck boy. Often drinks soy and hates women

Man, he is such a dekrius.

Dekrius by Skebabababa August 29, 2020

Dekirkilation

The process of personal loyalties switching from Captain Kirk to Picard.

From one trekkie to another:

Trekkie #1:Dude, the process of dekirkilation is almost complete.
Trekkie #2: Oh, God, NO!

Dekirkilation by dooppucker<3 October 20, 2006