bluehair

Etymology
Compound of.

The "elderly person" sense, first documented in the 1980s, refers to the blue rinse once used by older women to conceal grey hair.

The second sense emerged from the stereotypical association of dyed blue hair with social-justice activists.

Noun

 * 1)  An elderly person, especially a woman or one viewed as senile, old-fashioned, or out of touch.
 * 2) * 1997, Karin Vonesh, "Who are the worst drivers of all?", Southwords (Maine South High School, Park Ridge, IL), Volume 34, Issue 7, 19 December 1997, page 3:
 * I have memories from a young age in which my father is yelling about "blue hairs" and their inability to drive. And everyone remembers that scene in "Ferris Bueller's Day Off" in which the old lady cannot see over the steering wheel and is swerving down the road.
 * 1) * 2019, Chris O'Neill, quoted in Jordan Bradley, "Do Something Different: Try These Alternative Recreation Options", Encore (Michigan), June 2019, page 25:
 * “Anyone can join,” O'Neill says. “We have age ranges from children to blue hairs.”
 * 1)  A young or naive supporter of social-justice causes.
 * 1)  A young or naive supporter of social-justice causes.
 * 1)  A young or naive supporter of social-justice causes.
 * 1)  A young or naive supporter of social-justice causes.