With help from Sharon Osbourne, Howie Mandel played a truly hilarious (and somewhat disturbing) prank on a sleeping Piers Morgan recently, he said on 'Conan.'

According to Mandel, Osbourne placed her breasts on Morgan's head while he snoozed during a private flight. And, to memorialize the event, Mandel filmed the entire thing.

Of course, such footage would never be allowed on the air by censors. So, Mandel showed a ridiculously funny reenactment using potatoes.

"Does Osbourne have a nice pair of spuds or what?" quipped Mandel. Watch the clip below (NSFW language and vegetable nudity ahead):

[Team Coco]