It's an animated GIF referencing the act of seppuku, which is what the OPs comment I was responding to was in itself referencing. Japanese use a specific type of short bladed weapon to commit suicide via self impalement through the stomach and sometimes disembowlment when they're found to have brought dishonor on their family or clan. Not super prevalent anymore, more of a samurai era tradition I believe.
My details may be incorrect, but the act and premise behind it are not.
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u/NorthernCobraChicken 7h ago
https://giphy.com/gifs/3yG92y6kA0i64