Boombox (noun)

1. A portable radio or cassette player with built-in speakers, especially one carried on the shoulder.
2. A portable audio system with large speakers, typically used for playing music or other audio in public places.

Origin:

The term 'boombox' originated in the 1970s and is a colloquialism derived from the word 'boom' meaning a loud sound and 'box' referring to a container or casing.

Examples:

1. The boombox was a popular accessory for hip hop and breakdancing enthusiasts in the 1980s.
2. The sound of the boombox could be heard for blocks as the young man walked down the street, playing his favorite tunes.
3. The boombox was a fixture at outdoor events, providing music and entertainment for the crowd.
4. The boombox was a symbol of cultural rebellion and a statement of personal style.
5. The boombox was an early form of portable music player, paving the way for more modern and sophisticated audio devices.