ワイハわいはMeanings1nounHawaiislangSlang term for Hawaii, created by reversing the syllables of ハワイ. Used in very casual speech or writing.See also: ハワイ来らい月げつ、ワイハに行いくんだって。I heard you're going to Hawaii next month.ワイハでサーフィンしたいな。I wanna go surfing in Hawaii.