In the Pokemon games, a Technical Machine, often shortened to TM, is an item that teaches a Pokemon a new move, and picking one up triggers a short celebratory jingle. That familiar reward sound has become a shorthand in gaming videos and streams for unlocking something valuable, even outside Pokemon itself. Creators reuse it because listeners who grew up with the series recognise the chime instantly, and its upbeat tone turns an ordinary reveal into a small moment of triumph.