Nicki Minaj just unlocked a new target in her latest edition of online rants. Source: Kevin Mazur / Prince Williams The "Roman's Revenge" rapper has been frequenting X in recent weeks, which seemingly started in the midst of her nemesis Cardi B's album rollout. Now, she's slamming another woman in the industry, taking aim at Gucci Mane's wife, Keyshia Ka'Oir, following their joint interview about the rapper's mental health.