The song "SUVs (Black On Black)" by Jack Harlow and Pooh Shiesty is about their success and how their previous bragging has turned into actual achievements. They talk about their flashy SUVs and how they've upgraded their lifestyles with racks of hundred dollar bills. Harlow also mentions how he used to struggle with finances, but now he's turning his penthouse suite into his natural habitat. Despite the success and attention they receive, the artists keep a level head and continue to work hard. The song showcases their confidence and growth as they continue to push forward towards success.