Mastiffs, including English, Bull, Tibetan and Neapolitan varieties, are famous droolers. Their ample jowls and lips produce plenty of slobber.
Mastiffs
The friendly St. Bernard's is legendary for its drooling and the whiskey cask it supposedly carried.
St. Bernards
Basset Hounds are similar to Bloodhounds with their saggy skin. They fling drool around when tracking scents with their legendary sense of smell!
Basset Hounds
These gentle giants have loose jowls and lips which create quite the drool-fest, especially if they've just had a drink of water or are in warmer temperatures.
Newfoundlands
English and French Bulldogs seem to always be slimy and slobbery due to their squished faces
Bulldogs
Some Rottweilers inherited loose flews and lips from their Mastiff lineage which can result in regular drooling and a dripping beard.
Rottweilers
Standing at least 30 inches tall, Great Danes have a lot of surface area in their mouth folds
Great Danes