Caving

[Ernesto]

the sport of walking and climbing in caves

[Dave Paprocki]

The psychological need of someone to close down the window [shutters], [dim the lights], turn off the phone, eat junk food, surf on the internet, watch TV, listen to music and use drugs, remaining in this condition for few hours, days or weeks, into her/his flat, denying to go out or to meet anybody, like she/he is hiding into her/his own cave. Strongly connected to Minor or [Major Depression] and Agoraphobia.

[Gregory]

The ongoing [act] of [giving in] to [something].