"Porn Hamster" is a term used to describe a specific type of adult content. The word "hamster" in this context is likely a reference to a popular adult film director and producer named Joone, who often uses the pseudonym "Hamster." This name has become synonymous with his work in the adult industry. Therefore, when someone mentions "Porn Hamster," they are referring to content created or directed by Joone, which often features innovative visual storytelling, unique themes, and high production values.