That is an amazing feat. My experience was once the raw egg was far enough back in my mouth there was no way to stop it from going down. The only way to bring it back up would have been to vomit.My cousin used to love grossing me out when we were kids. He'd take a raw egg yolk, pop it in his throat then the yolk would come back up in his mouth. So disgusting. And I love runny yolk too, but it still grosses me out thinking of that little turd doing that.