A short, classy, and badass way of saying you "don't give a fuck" or "oh well, tough shit." Usually from one stuck up bitch to another.
Example 1: Miranda says Jenny's hair looks ridiculous right now, and continues to laugh at Jenny's shamelessness. Jenny then flicks her stogie off into the distance, walking away saying, "O dae vua." over her shoulder.

Example 2: Miranda asks how Jenny could just break up with Matias the Great, who's obviously the most handsome prince in all the land and has so much to offer. Jenny smirks, and says, "O dae vua."
by BWitched January 9, 2022
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