cubicle withdrawal

The feeling of nostalgia or profound melancholy as a result of moving from ones restrictive cubicle to a slightly less restrictive office. Generally caused by the increase in seclusion for other human beings due to higher walls and a door. Loneliness

Murph: "Ever since Stu got promoted and moved into his office, he has been peering over my cube. He's weirding me out!"

Joe: "Don't worry. It will pass. He just has cubicle withdrawal."