From Wiktionary, the free dictionary
Reduplication of hei. Compare moi moi.
- IPA(key): /ˈhei̯ ˈhei̯/, [ˈhe̞i̯ ˈhe̞i̯]
- IPA(key): [ˈhé̞i̯ ˈhè̞i̯] (first word with a higher or rising pitch, second with a lower or falling pitch)
hei hei (informal)
- bye-bye