Pabst's mug earns him the World's Ugliest Dog title Jul 03, 2009 By dvm360.com staff The boxer mix with a big underbite took this year's title, upsetting a trend of winners from the Chinese crested breed. Click here to read more. Hot topics on dvm3605 ways to wow pet owners (and pets) 10 steps to take when a practice owner dies dvm360 sits down with Dr. Pol Ack! How do you spell that again? "Best. Veterinary Practice. EVER."