The song 'Bad One' is about Eminem's success, his ego, and the criticism he receives.
Eminem reflects on his wealth, achievements, and skills as an artist, while also showing a certain arrogance and self-assurance.
He addresses the criticism he receives from others and how he stands out from other artists without caring about their opinions.
The lyrics contain references to other artists like Biggie and Tupac, as well as controversies Eminem has been involved in and how he deals with them.
Overall, the song showcases Eminem's self-confidence, his abilities as an artist, and his way of handling criticism, while being proud of his achievements and following his own path.