Hariku (AKA Riku) is a person that likes to sleep with everyones boyfriend or girlfriend. Sometimes both at the same time.

He likes flirting with old people and his friends parents.
Why are you flirting with my nan? You are such a Hariku!
by German Sausages November 15, 2020
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professional leprechaun, tiny and bad at minecraft
he's so tiny, such an hariku
by 9rs July 31, 2021
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