mood ring

noun

mood ring

noun
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.

  • She's got that mood ring, a little sister rose / The smell of Springsteen, a pair of pantyhose2006, “She's Only 18”, in Stadium Arcadium, performed by Red Hot Chili Peppers:

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