Valley Girl (film) was released in 1983.
A study on regional language ideologies done in California in 2007 found that, despite its prevalence and association with California in past decades, Californians themselves do not consider "Valley girls" to be an overly prevalent social or linguistic group within the state
In the 1990 animated TV series Tiny Toon Adventures there is a character named Shirley the Loon who is an anthropomorphic waterfowl

