1 definition by BlancoRussian
To disappear off the radar socially. Usually this happens after extended period of partying so a downtime is required to recover.
"Have you seen Maria lately? I haven't heard from her since that party two weeks ago."
"No, I haven't. She must have gone into hibernation."
"No, I haven't. She must have gone into hibernation."
by BlancoRussian May 11, 2014