A thumb ring is often warn as a sign of power. Traditionally it was worn by archers to protect their thumb during rapid firing. Although often misunderstood as a statement of sexuality, the thumb ring symbolizes strength and courage.

A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.

If a woman wears a thumb ring on her right thumb, she is considered to be Bisexual or Lesbian

Worn by men and women . For fashionable purposes.

A thumb ring signifies that the wearer is a gay man or women.
It's how us flaming homosexuals find each other

At some point over the years, a ring on the thumb became a subtle yet ubiquitous signifier for queer women.

The most heterosexual digit on which to wear a ring.