Name given to those who partake in the eating of faeces directly from the anus of another person.
"The actors in this video film are all over the age of 18 years old, and all felching, crudmunching and teabagging seen in this movie is genuine and not aided by special or visual effects"
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?"