Megan Thee Stallion is teasing new music as a newly single woman. In an Instagram video shared on Tuesday (June 2), the rapper previewed an unreleased song set to a visual of herself partying with friends and enjoying drinks on a yacht. The clip features Megan rapping, "All that wifey shit is dead/Put that shit to bed/l'ma make him beg, when I want some head." The teaser arrives more than a month after Megan, 31, confirmed her split from Klay Thompson, 36, to Complex through a representative. On April 25, Megan shared an Instagram Story in which she appeared to accuse the Dallas Mavericks player of cheating. "Cheating, had me around your whole family playing house... got 'cold feet' Holding you down through all your HORRIBLE mood swings and treatment towards me during your basketball season now you don't know if you can be 'monogamous???? bitch I need a REAL break after this one .. bye yall,” she wrote at the time.…