Something from the anime/manga series ‘Fist of the North Star’, meaning ‘you are already dead.’ And then the person it has been said to dies. If you hear this said, it is completely unacceptable to not say ‘Nani?!?!?’.
Random person: omae wa mou shindeiru
Me: *appears behind them* NANI?!?!?!?!
by Kitten Corp. May 17, 2018
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omae wa mou shindeiru Nani
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This is only used in the highest profiles of the highest edgy meme lords. it can be used to absolutely destroy an opponent in battle. Only the best can use it. It means “you are already dead” but will instantly kill your opponent in an anime battle.
Opponent: “ fight me
You: “omae wa mou shindeiru
Opponent: dies
You: naruto run away
by The pussysmasher March 24, 2018
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"You are already dead" in Japanese.
Also a dead-ish meme, as of writing this.
Roses are red.
Violets are blue.
Omae wa mou shindeiru.

N A N I ?
by GGTyler April 9, 2018
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'You are already dead' in Japanese. Legend says that if you say "Omae wa mou shindeiru." to an opponent, their response will always be "NANI?" meaning 'WHAT' in Japanese. Then said opponent will die. If 'Nani' is not said, then...? The opponent will die anyway though.
"Omae wa mou shindeiru."
"Nani?!"
by Yeet that outta here January 20, 2020
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Something edgy that is spoken when someone is utterly anally destroyed, meaning “You are already dead”. This is responded to with “Nani” (New-nyee) And a loud ear-molesting noise is made while the person gets merced.
“Omae wa mou shindeiru”
Nuni?”
*Loud earrape*
by WhyMyPPsmall November 14, 2017
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