04/10/2013 03:12 pm ET

'Game Of Thrones' Star Nikolaj Coster-Waldau Ran Into George Clooney In A Bathroom Stall (VIDEO)

"Game of Thrones" star Nikolaj Coster-Waldau stopped by "Conan" Tuesday night and told a story about an awkward encounter he had in the bathroom of an awards show. After the show, he really had to use the restroom. He ran into a stall, unaware there was someone inside.

“And then this idi ... well, this guy is in there ... I’m pretty sure there’s spillage. I’m sure there was," Coster-Waldau reported. “I said sorry, he said sorry, and then I go, 'Oh my God. That’s George Clooney. He’s so short!'"

So, Nikolaj thinks George is kind of a short idiot. He advised Clooney to close the door next time.

And hey, close a door, open a window. Remember when Nikolaj’s "Game of Thrones" character Jaime Lannister threw a kid out the window? Well, that’s kind of negatively affecting his life as a dad.

“One of my youngest daughter’s teachers is a big fan ... I come to pick up my kid, and all the kids are going, ‘That’s the guys who pushes kids out windows!'" he said.

Between the spillage and the upset kids -- not great days for Nikolaj.

Luckily, plenty is going well with "Game of Thrones," which is getting great ratings so far this season.

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