noun
Often used derogatorily or teasingly to refer to a young, inexperienced girl.
あの小娘はまだ何もわかっていない。
That young girl still doesn't understand anything.
小娘のくせに生意気だ。
She's just a kid, but she's so cheeky.
Compound of 小 (small, little) and 娘 (daughter, girl). The prefix 小 adds a belittling nuance.