National Slobber Appreciation Day is celebrated on November 16th and honors dogs known for their drooling, particularly breeds like Newfoundlands, Mastiffs, and Bloodhounds. The day encourages dog lovers to embrace the charm of slobbery pets, highlighting that drool is a sign of affection rather than a flaw. Typical customs include dressing dogs in fun accessories, hosting slobber-themed parties, and sharing goofy photos online using the hashtag #NationalSlobberAppreciationDay. Additionally, participants may prepare slobber-friendly treats and support rescues for drooly breeds. The holiday aims to reduce the stigma associated with drooling dogs and promote acceptance of their unique characteristics.