The Anne Frank, is a multiple part sex move. The first move consists of having to have super quiet sex whilst friends/relatives are over so you do not get caught. Immediately after finishing, perform a Dutch oven on your girlfriend to simulate a nazi gas chamber.
Nick and Danielle are secret work lovers. Over morning coffee, Marco asked nick how his weekend was.
Nick : It was alright, my parents were in town and took us out to a nice Mexican restaurant.
Marco : That sounds nice man.
Nick: Yeah, it was until I gave Danielle an Anne Frank and now she's not talking to me.
Marco: Don't worry, she will come around when she wants to peg you again.
To silently hide in one's room over a long period of time for the purpose of avoiding an awkward situation that would either lead to the cock blocking of a housemate or an unwanted social interaction.