* Misspelling: There might be a typo in the spelling. Could you double-check the word?
* Slang or regional term: It might be a slang word or a term used in a specific region of Japan.
* Onomatopoeia: It might be an onomatopoeia, describing a sound.
Could you provide more context?
* Where did you hear this word?
* What was the situation?
With more information, I might be able to help you understand the meaning of "chigirigiri."