A dance move involving the thrusting of the hips forward, while your arms pump back all at once. While doing this move, you scream the word 'bang-chi' as loud as you can.
This move is performed when a person is feeling excited or extrememly horny.
When Mary found out her boyfriend was coming over later that night, she did the Bang-Chi alone in her kitchen.
When a bunch of your friends are pissing you off, you may wish to suggest that they consume bags of dick.
My friend Josh from Van City was being a grammar Nazi, suggesting that my poetry was not up to snuff. As a Master of the English language, I took his suggestion under advisement and promptly told him he should eat many bags of dick.