“Puppy Play” is a subset of BDSM culture, where a person (male or female) adopts the persona and/or mentality of a puppy.
Puppy play consists of role play where a person (male or female) adopts the persona and/or mentality of a puppy.
Human pups who take on the role like to appear, behave and be treated like a puppy. For some (not all) this can often include sexual role play where the 'puppy' enjoys being submissive to their chosen partner or 'Handler'.
Pup's often wear pup hood's. mitts and other pup gear to set the scene, they also play with other fellow human 'pups' and role play with their handlers.