joybox

joy box

1. dated slang A piano. Sometimes hyphenated or spelled as a single word. He found his way to the joy box in the corner and started playing classic Christmas tunes. She's one of the best musicians to ever grace a joy-box.
2. vulgar slang The vagina. I told him that he wasn't going near my joy box until after we were married.
See also: box, joy
Farlex Dictionary of Idioms.

joybox

n. a piano. (see also tinklebox.) Can you play this joybox at all?
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • kissy
  • kissy face
  • kissyface
  • in demand
  • bleeding edge
  • hit and miss
  • hit or miss
  • hit-and-miss
  • flat chat
  • flat strap
References in periodicals archive
But when a JoyBox showed up on my desk, with its festive and high-design vibe, I was enticed.
But with regional gaming companies such as Tahadi and Vertex from the UAE, Joybox from Syria, and Maysalward from Jordan all at the Dubai Games Expo, there are signs of movement taking place, particularly in the direction of localization and culturalization.
For those with mobility problems, there are large mice, large track balls, switches, a head mouse, a joybox, and other options.