The act of hiding in an attic, usually to preserve ones KD.

Most commonly done in WWII and a great way to survive and outlive your friends.

When you have been in the closet for so long hiding your sexuality that someone forces you out.

(Verb):Is used when someone is performing badly at a shooting game bringing the team down as a whole and that's the sign to tell them to hide.

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.

The act of hiding in a closet/attic/small space so one is not discovered by a girlfriend/parent.

A sex position. To do the Anne frank, you must go up into a secret annex or closet of some sort, then have sweaty closet sex while police search for you.

The act of hiding from anyone: friends, parents, authorities, for an extended period of time.