Wiktionary
riot girl
n. (alternative form of riot grrrl English)
Wikipedia
Riot Girl
Riot Girl is the debut studio album from J-pop star and voice actress Aya Hirano. It was released on 16 July 2008. It contains songs from her entire non-character song discography up until her 2008 single, " Unnamed World." It contains 7 all-new songs and the A-side songs from her first 7 singles (with the exception being the B-side of Unnamed World instead of the A-side). The album made its debut on the Oricon charts at number 6, selling approximately 23,000 units in its first week of sales.
Usage examples of "riot girl".
Petty's boisterous verve is great, but she is not quite the riot girl she should have been -- and was clearly capable of playing.