plinkety
/ˈplɪŋkɪti/(also plinkity, plinketty) Usually in reduplicative combination with other similar imitative words, as plank, plink, plonk, etc., and suggesting an alternation of similar sounds
noun
A high, sharp, tinkling, or metallic noise. Used especially to represent the sound of a musical instrument having a jangling or ringing tone.
exclamation
Representing such a sound.
adjective
Relating to or designating a sharp ringing sound, or a musical instrument producing it.
Origin
Late 19th century. From plink + -ety. Compare plinky adjective and slightly later plink.