[brabel]

In case you don't know it, it's also a TV show in Portugal:

https://pt.wikipedia.org/wiki/Vale_Tudo_(Portugal)

And a famous Brazilian soap opera from the 80's:

https://en.wikipedia.org/wiki/Vale_Tudo_(TV_series)

And a style of fight:

https://en.wikipedia.org/wiki/Vale_Tudo

It basically means "anything goes" in Portuguese... hence why the variety of uses for the phrase.