A Jingle

1. The sound of metal or glass clattering against itself.
2. (music) A small piece of metal attached to a musical instrument, such as a tambourine, so as to make a jangling sound when the instrument is played.
3. (advertising) A memorable short song, or in some cases a snippet of a popular song with its lyrics modified, used for the purposes of advertising a product or service in a TV or radio commercial.
4. (slang) A brief phone call; a ring.
5. Alternative form of jingle shell