A word used to express anger, happiness, sadness, fear and every emotion under the sun. It can be used in every context ever.
Anger: HAKUBANKU! Why are my bills so expensive Happiness: Hakubanku! We won the lottery
Sadness: Hakubanku, my fidget spinner got taken away
Fear: HAKUBANKU! DID THAT THING JUST MOVE?
A gorgeous adonis with amazing sexual talents. His penis is 3 meters long, and he wears it like a belt around his waist because it's too long. Harubin is gay but only likes young boys. He makes them do hkp (harubin penis suck) in exchange for a higher grade