Definition of "baddest"

I'm going down in history / As the baddest rapper there ever could be

1979, “Rapper's Delight”, performed by Sugarhill Gang

The president of Royal Caribbean, Jason Liberty, told reporters it was the “biggest, baddest ship on the planet”, though it quickly became known on social media as “human lasagne”.

2024 January 26, Karen McVeigh, “‘Biggest, baddest’ – but is it the cleanest? World’s largest cruise ship sets sail”, in The Guardian‎