the.com/jingle

a six-second song engineered to live in your skull rent-free forever

means a short, catchy tune or rhyme, often used in advertising, or the light ringing sound made by small metal objects knocking together.

from Almost certainly imitative — an English word born to mimic the sound itself, the tinkling clink of coins or bells, first appearing in late Middle English. The advertising sense (a catchy musical tag) is a much later extension, riding in on radio and television in the 20th century, where a tune that 'jingled' in the ear became the marketer's dream.

earworm science
Catchy tunes trigger involuntary musical imagery loops
oscar mayer
Its wiener jingle ran for over sixty years
radio origin
Born in 1920s ads when broadcast needed memorable hooks
declining art
Streaming and licensed pop songs replaced custom jingles
for instance

meow mix theme — cat food brand jingle from 1974 where cats sing 'meow meow meow meow' - won a clio award

oscar mayer wiener song — hotdog brand jingle from 1963 where children sing 'i wish i were an oscar mayer wiener'

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