The line comes from Upin & Ipin, the Malaysian animated series about twin brothers Upin and Ipin, and is spoken by Ipin in Malay. The phrase translates as small but powerful, which is why short-form creators reuse it whenever size and strength do not match. It travels well beyond its original audience because the joke needs no long explanation: a little character makes a big claim, and viewers immediately understand the playful contrast. That simple setup keeps it useful for pets, children, games and everyday underdog moments.