What is Butter Dog?
1.
A dog trained to lick a woman's pussy.
The woman's pussy is smeared with butter and the dog licks it. Hence the name.
That dog.. I'm sure that's what they call a "butter dog"
See
2.
A mainly Japanese pursuit in which liberal amounts of butter (slightly warmes) are smeared on a bird's minge, and a dog (normally a Golden Retriever) is then brought in to lick it off.
Miss Yang took great pleasure in introducing the Tupperware Party to Butter Dog.
