Filed under "things we can't un-hear" is a new confession from Sharon Osbourne, who says that a long time ago in a galaxy far, far away (in other words, before she got together with husband Ozzy), she hooked up with Jay Leno.

Osbourne nervously told her story during a "big secret" segment on 'The Talk,' the daytime program she co-hosts. "When I was 25, I just moved to America," she explained. "I had met [Ozzy], but we weren't together. We were just friends. I didn't have a boyfriend. I never did date a lot at that time anyway, because I was not very dateable."

After seeing Leno at a comedy club -- remember this supposedly happened in 1978, way before he got his 'Tonight Show' gig -- she and a friend began prank calling him. "One thing led to another," she explained. "[He] came to my house and met me, and then we had a little fling."

But alas, it didn't last.

"A couple of months into it he brought around the real love of his life for me to meet," Osbourne said, presumably talking about Mavis Leno, to whom Jay has been married since 1980 (Sharon and Ozzy wed two years later). "She was lovely. They were so kind to me and continued the friendship over the years."

As for the particulars of the "fling," Osbourne says Leno was a good kisser, but she "can't remember" if they did the deed, emphasizing, "One cannot remember that long ago."

For once, we can all be thankful for the frailties of the human mind.

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