noun; The least favorite/most ignored child in a family with two or more siblings. The favorite child is the golden child, the next favorite is silver, and the most likely to be forgotten when it comes to handing out christmas presents or left behind at sporting events to walk home in the rain is the bronze child, a.k.a a Bronzey.
"My mom went on vacation with my sister, but she left me behind and locked me out of the house. I slept in the shed last night."
"You're such a Bronzey, Erica."