Submissive urination is normal canine communication. Dogs do
it to show social appeasement. When a dog submissively urinates, he’s trying to
convey that he’s not a threat. Not all dogs submissively urinate. However, some
will urinate when they’re exceptionally excited or feeling submissive or
intimidated. Dogs who submissively urinate usually do so when greeting people
or animals (especially unfamiliar ones), during exciting events, while playing,
during physical contact, such as petting,...