mood ring

English

Noun

mood ring (plural mood rings)

  1. A ring (piece of jewellery) containing a thermochromic element that changes colour in response to the body temperature, supposed to indicate the emotional state of its wearer.
    • 2006, “She's Only 18”, in Stadium Arcadium, performed by Red Hot Chili Peppers:
      She's got that mood ring, a little sister rose / The smell of Springsteen, a pair of pantyhose