Anal Surprise Party Billâs girlfriend is throwing him a surprise birthday dinner, and decides to invite their friend AJ and her boyfriend over. However, AJâs got a tricky plan to give Bill a surprise of her own. Sheâs been bored of her boyfriend for a while now, so she begins teasing Bill under the table and gives him a secret view of her buttplug. Finally, as their partners are busy chatting, she tells Bill to come upstairs for an extra surpriseâ