Sometimes, celebrities just don't know when to stop talking.
"I was a compulsive, serial masturbator," Robert Downey Jr. confessed, adding, "I utilized that organ and rode it for everything it was worth."
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He's not the only A-List oversharer.
Then there's George Clooney, whose first orgasmic moment happened a little something like this: "I believe it was while climbing a rope when I was six or seven years old. I mean, nothing came out, but all the other elements were there. I remember getting to the top of the rope, hanging off the rope, and going, 'Oh, my God, this feels great!'"
Click for a gallery of Hollywood's other wildest sexual revelations: 19 Stars Who Overshared Personal Details About Their Sex Lives (PHOTOS)
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