Shaker Heights, Ohio rapper Machine Gun Kelly visits the tattoo parlor regularly to add to the plethora of permanent body art already covering his skin. However, Thursday night (Jan. 19), the 21-year-old Bad Boy Records signee opted to give someone else a tattoo rather than sit under the gun himself.

"My first tattoo I've ever done!!! 'MGK' on the ass cheek. Best f---in fans in the world. LTFU!!," he wrote via Twitter.

In the photo, which Machine Gun Kelly supplied to his 220,000 Twitter followers, he poses with a smile on his face, fitted cap turned backwards and has his black glove-covered hands resting on a woman's buttocks. The 'Wild Boy' creator's initials are shown on her rear while she lays on a chair in a tattoo shop.

MGK, whose tattoos include an Interstate 71 North sign, a symbol of anarchy and the words "Almost Famous," signed to Diddy's Bad Boy Records in August 2011. That same month he was arrested for inciting a flash mob at an Ohio mall. He's currently crafting his debut album, 'Lace Up' -- his motto -- for a 2012 release.

Watch Machine Gun Kelly's 'Wild Boy' Video Feat. Waka Flocka Flame

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Learn About the History of Rap