tinklebox

tinklebox

old-fashioned slang A piano. Sometimes hyphenated. Every Christmas, Uncle Jerry gets drunk and starts playing some soppy song or another on the tinklebox. She plays a wonderful version of "Moon River" on the tinkle-box.
Farlex Dictionary of Idioms.

tinklebox

n. a piano. (see also joybox.) The tinklebox in the bar seemed to be a bit loud.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • in demand
  • bleeding edge
  • hit and miss
  • hit or miss
  • hit-and-miss
  • flat chat
  • flat strap
  • bowler hat (one) out (of something or some place)
  • cop on
  • eye opener