bluehead

/ˈbluːˌhɛd/
noun
  1. A type of fish, especially a small reef fish (Thalassoma bifasciatum) found in the Caribbean, known for the bright blue head of the adult male.
    • While snorkeling, we saw a bluehead swimming near the coral.
    • The bluehead is a common sight for divers in tropical waters.
    • A male bluehead changes color as it matures, developing a vivid blue head.
  2. A person with blue hair, often used informally or as a nickname.
    • At the punk concert, a bluehead was dancing in the front row.
    • My friend dyed her hair blue, so now everyone calls her Bluehead.
    • The comic book character is a bluehead with electric powers.
What does "bluehead" mean? | whatsthatwordmean | whatsthatwordmean