The story is fake:
Translation of a blog post pointing out why
Also, as that article points out, 47 times a day is ridiculous no matter the disorder. Such disorders exist, but someone who masturbated 47 times a day would be in the hospital for bleeding from the chafing. It would hurt like hell and the odds of orgasm, particularly for a female, would be severely decreased, which if it wasn't compulsion but a needed physiological release means the process becomes a bit pointless.