teenybopper
n. a young teenager, usually a girl.The teenyboppers moved around the mall in droves, not buying and not causing any trouble, just being able for anyone who wanted to see them.Somebody called Mary a, like, teenybopper, and she went, like, “So gross!”
twinkie
n. a cute, teenage girl. (California.)The mall up from the beach is usually wall-to-wall twinkies.These twinkies ought to be a little more grown up than they seem to be.
teenager
noun
1
a person aged between 13 and 19. Originally 'teenager'. Since about 1955 has usually been written as one word, and since about 1960 has been regarded as standard English US, 1935.
2
cocaine UK, 2002