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)
eg 1:
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

eg 2:
mike: Can I ask you something?
steve: Yeah?
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?
by blandyroo October 4, 2011
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To not care about something at all. To not give a shit about something or someone.
Steve said to his friend Joe "if you don't hurry the fuck up, you're going to be late for work". To which Joe replied, "I don't give a good goddamn. I hate that job anyway."
by Chuck1969 May 9, 2022
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