A dog, especially a small one.
"After the long walk, I picked up my tired doggy and carried him home in his carrier."
Doggy style.
"The puppy waddled over on its haunches in such a distinctly doggy way that I couldn't help but chuckle."
Suggestive of or in the manner of a dog.
Doggy style.
"After they moved to a new apartment, her partner suggested trying things in doggy style for fun on their anniversary night."