Gucci Mane gets grimy on “Dirty Cup,” his collaboration with fellow ATLien 2 Chainz. The Zaytoven-produced cut serves as the second single off the Brick Squad rapper’s upcoming album Trap House 3: The Guwop Edition, available July 2 on iTunes. Gucci says it will be his last trap album. “My last trap album Im back n Zay basement,” he tweeted.