Phrase: Commonly used directly after an admission of success or victory; or in the sense of proving someone wrong and yourself right at the same time. Often in conjunction with a hand and arm signal such as pointing at a task completed, the middle finger and perhaps breaking something in celebration.
Pesky up-your-ass supervisor: Did you Finnish that report I asked for?
You: Yea I put it on your desk this morning BADOW
Slut girlfriend: I'm leaving you
You: That's fine, I fucked your sister BADOW (followed by the middle finger)