Meaning of くわばら in Japanese

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Definition of くわばら

くわばら(kuwabara) 【桑原】

くわばらくわばら(kuwabarakuwabara) 【桑原桑原】

(n) charm to ward off lightning and misfortune; knock on wood; touch wood; absit omen!
カミナリが光ったその後【くわばらくわばら】と唱えたもしくは、唱える人を見たことがあるだろう。
I expect you've chanted "kuwabara kuwabara" after a lightning flash, or have seen somebody do so.