Definition of piano-thumping in English:

piano-thumping

noun

  • The action or practice of playing the piano loudly, or in an insensitive or heavy-handed manner. Also (informal): piano-playing generally.

adjective

informal
  • Of a person: that plays the piano, especially loudly or insensitively.

Origin

Late 19th century; earliest use found in Freeborn County Standard (Albert Lea, Minnesota). From piano + thumping<br>mid 19th century; earliest use found in The Southern Literary Messenger. From piano + thumping.

Pronunciation

piano-thumping

/pɪˈanəʊˌθʌmpɪŋ/