Bluehead

[Dave Paprocki]

A bluehead is an old lady who has a blue rinse in her hair.
Usually seen driving 20 miles an hour below the speed limit.
The term was first used in parts of New England but has now spread to other areas where old folk still use a blue rinse for hirsute dyeing.

[Zipporah Schumaker]

A (usually) brand new account that has not set up their profile. On many services the default avatar is some variant of a blue outline of a head, or a white outline of a head against a blue background. Sometimes known as an egg or egghead.

[Lanell]

A small wrasse (fish) of the tropical eastern Atlantic, the large males of which have a blue head and green body with vertical stripes, and the females and smaller males are predominantly yellowish.