New answers tagged onomatopoeia
I probably found this too late for my answer to be of interest, but I think I can shed some light on the mystery. The phrase used is a paraphrase of a line from a well-known (to Japanese children at least) song from Sore Ike Anpanman. I am not sure of the song's name, but the first line is 勇気の鈴がりんりんりん and it was played as the ending theme of many episodes ...
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