teenybopper
noun
a teenage girl, especially a young one.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The new designers have talked about taking the brand, which began as a label for young career women, but over the years steered into teenybop territory, back to its more grown-up roots.
From The Guardian ● Sep. 9, 2015