Kong shou bu is the romanized form of 空手部, meaning karate club. The exact source recording for this upload is not documented, so its history is best traced through usage rather than origin. Online it circulates as a short meme sound, picked up for edits that parody anime club introductions and exaggerated fight setups. Its appeal comes from the chant-like rhythm, which is easy to recognize and meme. It remains in use because the phrase is short, punchy and instantly frames a clip as playful.