The most popular clip shows the pooch adopting a downward dog pose with his rump high in the air. He then lets loose a cartoonishly loud fart.

What happens when you prank your dog with a fake fart? 💨😂 Tucker the Golden Retriever is about to find out! Watch his priceless reaction as he tries to figure out what’s going on. This ...

Which is good news for Glenn Murray, co-author of "Walter the Farting Dog" and an ever-expanding line of "cutting-edge" picture-book sequels that have captivated little boys and proper grandmas alike.