1. usually used to emphasize how right someone is
2. sometimes used to show how fucking goddamn clueless someone is to what in the name of Jesus someone else is talking about (see wat)
person 1. You're fucking beast!
person 2. you're good goddamn right, i know i am
person 1. Wow, arrogant much?
person 2. you're good goddamn right
mike: Can I ask you something?
mike: Has anyone REALLY been far even as decided to use even go want to do look more like?
steve: good goddamn, what in god's name, what in the actual flying fuck on a bun are you talking about?