The location in which a group of typically three or more people batman-it and get absolutely OYF for extended periods of time. Usually a hotel room, or garage, the batcave is complete with a billy, munchies, cigarettes, a television and couches with multiple burn holes in them. The original batcave has a Swastika marked on the brick wall.
"Wheres the reshn?"
"Oh fuck, I left it in the batcave"
"Latif's batcave or Saba's batcave?"