There were a select few monks who decided to poison themselves over the passing years. This poison removed any bacteria in their body as they meditated to death. When they died there was little bacteria to eat away at their corpse. This left them mummified while in a meditative position. Some of these monks were warriors who failed and felt ashamed. They then would search for enlightenment through meditation. The last person to do it died in 1903.
Sokushinbutsu is pretty neat history and all, but it’s not an answer to pain or emptiness. At its root it is self harm, torture, then suicide.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"