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Mariah Carey is seen here arriving in Japan while on a promotional tour for her latest album Memoirs Of An Imperfect Angel sans her husband and her gays. Her hubby Nick Cannon is back home and you’ll never guess what Mariah’s nickname is for Nick? DJ Sex Fingers.

At Nick’s birthday party at Bank in Las Vegas, Mariah presented him with a cake shaped like deejay turntables and inscribed with the message, “Happy Birthday DJ Sex Fingers — Love, M.C.C.”

Mmm. DJ Sex Fingers doesn’t exactly roll off your tongue, but I guess we now know Mariah likes her foreplay.

Gallery Info: Mariah Carey arrives in Japan. Launch the gallery to check out Mariah and her unique platform heels