A name used to refer to a female that brags a lot. The male version of this term would be Braggedy Andy.
1) That Martha....she's such a Braggedy Anne, always telling us how awesome she is at knitting. I'm sick of it, man.
2) Sarah: "I'm so good at basketball. I scored like...400 points last game. I'm the best one on the team."
Sarah's friend: "Hey everyone, check out Braggedy Anne over here..."