The term "robybianchi" is a combination of two names: Rob and Bobby Bianchi. It seems to be a playful way of referring to the porn video featuring actors named Rob and Bobby Bianchi. However, it's worth mentioning that Bianchi might not be a proper name or could be a misinterpretation, considering there is no famous adult actor with this last name. Nevertheless, this tag would help viewers find scenes starring these particular performers.