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キレ散らかす kire chirakasu
Raging in every direction at once.
What does kire chirakasu mean?
散らかす means to scatter things messily, so here the anger is being flung around the room. It is nearly always said with amusement about someone whose fury is a whole performance.
Example
電車が止まって、みんな朝からキレ散らかしてた。
The trains stopped and everyone was raging all over the place this morning.
Vibe
Who you can say this to, and how it lands.
Friends only Casual. Natural with friends, out of place at work or with strangers.
The story behind kire chirakasu
散らかす means to scatter things and leave a mess, and it has recently become one of the most productive comic suffixes on the Japanese internet. Attach it to a verb and the action becomes untidy, excessive and slightly ridiculous. Laughing, posting, complaining: anything can be done in a scattering fashion.
キレ散らかす is the star of that family. The joke is entirely in the image, because anger is not supposed to have a floor plan, and here it is being flung into every corner of the room. That framing is why it almost never wounds: calling someone's fury a mess means watching it as theatre rather than taking it seriously.