Lollipop girls" can refer to a range of things, from a children's book character named
Sparkle Light Lollipop Girl who learns about friendship and forgiveness, to a fashion doll line from
Jan McLean, a 2010s-era adult film with a similar title, or even the term "lollipop woman" for a school crossing guard. The specific description depends entirely on the context, which could be anything from a children's fairytale to a fashion doll collection, a piece of media, or a real-world job title.