1. Safe location for undetected masturbation.
2. Hidden location for masturbation materials (i.e. dildos, vibrating love tunnels, pornography, vibrating douche nozzles, blow-up dolls, hamsters, stuffed animals).
3. The cry of a monsterbator seeking sanctuary.
"No one ever walks in on me when I'm in the walk-in freezer - it's my spanctuary."
"With over a hundred thousand gadgets, Morty had the worlds most comprehensive undiscovered spanctuary."
"'SPAAANCCTUUARRRYY!' cried Quasimodo, running in horror from the three leering gargoyles."