I just read this chapter and was wondering what this sfx meant.

for context; luffy is passing big mom & kaido while zoro is observing what he
is doing.

![enter image description here](https://i.stack.imgur.com/8uMIN.jpg)

![enter image description here](https://i.stack.imgur.com/xUODU.jpg)

![enter image description here](https://i.stack.imgur.com/YcIeG.jpg)
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2020-12-27T08:06:12.770
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2021-01-03T21:50:28.237
2020-12-27T10:09:36.637
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question
meaning usage katakana manga
*one piece ch 1000 spoiler* what does チャキ mean?