self-kill 

literal meaning - to kill oneself, commit suicide
urban meaning - like "shoot yourself in the foot" to do or say something that causes problems for you

My brother has self-killed twice by turning down buyers for his house.

self-kill by Checkmatezero July 17, 2016

Kill self 

Meaning, take off all your clothes and run around the house naked like your a red head on drugs

John, “BRAD

Brad, “yeah John?”

John, “kill self”

Brad, “what the fuck”

Kill self by G46 December 20, 2017

kill self vs wall

A laughable insult that has reached notoriety on some online forums. Often used to mock n00bs.

noob: omg, why u do that 2 me?
player: It's your fault...
noob: omgwtf gtfo your mother is whore
noob: go kill self vs wall

kill self vs wall by Pete The Destroyer March 21, 2007

eat and kill self, kill self 

A person who is always depressed, and also enjoys to eat. When they go home after school or their job, their schedule consists of eating, and then killing self. Also, they always manage to resurrect themselves because they always need to kill themselves

Look at that kid in the corner, he has no friends, and he never talks to anyone. He always looks depressed, he is definetely eat and kill self, kill self

eat and kill self, kill self by poin kleinschmidt July 30, 2008

kill yo self bitch

its a way to say shut up or fuck off

jessie: can you take me to the store when you get off work?

jr: hell naw, kill yo self bitch

kill yo self bitch by Elias jr March 29, 2009

kill yo'self 

Commonly used to tell someone that the statement they just made is completely insane.

Girlfriend: Baby, will you buy me this $50 dollar dress?
Boyfriend: Kill yo'self!

kill yo'self by ilove420 December 22, 2008

kill yo'self 

a phrase used to tell somebody they're crazy after making an absurd comment.

basically it's something used to say "you must be out of your mind," or "you must be crazy."

"Demarcus, I know you gunna let me copy your homework"

"Kill yo'self"

kill yo'self by Lethal Intent September 17, 2005