03/26/2009 at 02:45 PM EDT
Must be the salt air.
How else to explain John Mayer
's eagerness to strip down to the barest of Borat-like essentials once he hits the high seas.
"I'm getting my bikini wax for the Mayercraft Carrier," says Mayer, 31, offering a little TMI on Twitter as he prepares to host a cruise leaving Friday from L.A. to Cabo San Lucas, Mexico, for four nights of partying. Last year, the crooner made a splash when he wore a green "mankini" similar to the one worn by Sacha Baron Cohen's alter ego.
Asked when he'll don the thong, Mayer tweeted, "I'm already wearing it."