Definition of teenybopper in English English dictionary
A person, especially a female, in her early teens who follows popular clothing fashions, music trends, and the like
A teenybopper is a teenager, usually a girl, who is very interested in pop music. a girl between the ages of about 9 and 14, who is very interested in popular music, teenage fashions etc (teen + -y + bopper (from BOP))
[ -"bä-p&r ] (noun.) 1966. Coined in the 1950's from “teeny” (teenage) + “bopper” (one who dances to the form of improvisational jazz popular at the time)