Used to describe annoying old people. Like those who haggle for ten minutes at the checkout counter because the price rang up five cents more than what the item was advertised for; or those out for a Sunday drive on WEDNESDAY who cruise at 20 mph below the speed limit. Example: That's it . . . I'm going around this blue-hair.
BLUE-HAIR
Meaning of BLUE-HAIR in English
Slang English vocab. Английский сленговый словарь. 2012