When you pump up the kaioken multiplier to such a degree that the kaioken strain actually destroys (hakai) you
King Kai: "Goku! if you use Kaioken on top of Ultra Instinct it will kill you!"

Goku: "Yeah, but I need to beat Granola! I have to go EVEN FURTHER BEYOND! KAIOKEN TIMES ONE MILLION!!!"

King Kai: "You fool! The strain will kill you!"

Goku: *dies from kaioken strain*

King Kai: "You just hakaioken'd yourself"
by VYDEOS August 9, 2021
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Vegeta’s version of Kaioken derived grime training with Beerus. This technique not only boosts his power but cloaks him in hakai energy making hitting him almost impossible.
Vegeta: Now Granolah, prepare for your end, HAKAIOKEN.
by Demon Fingaz June 25, 2021
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When you pump up the kaioken multiplier so much that it physically destroys you. Often happens when you try to go beyond Kaioken x100
King Kai: 'Goku! you've reached your limit! Stop amping the Kaioken multiplier!"

Goku: "It won't be enough to beat Granolah! I have to go EVEN FURTHER BEYOND! KAIOKEN TIMES ONE MILLION!!!"

Goku: Explodes from kaioken strain

King Kai: You just Hakaioken'd yourself
by VYDEOS August 5, 2021
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