It's a new internet craze where you place a raw egg in your dog's mouth to see if they will hold it or break it.
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The more popular this challenge becomes the more some veterinarians are worrying.
The president of the Australian Veterinary Association told BuzzFeed the challenge could put your dog's life in danger.
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Officials said it's a choking hazard and dogs can also get Salmonella from the raw egg. "Placing a raw egg in the shell in a dog's mouth is a health risk. It is choking hazard as the egg may become lodged in the dog's throat," Paula Parker, M.D., said.