One of the more popular pastimes of pouves and bull dykes. They enjoy putting their fists into their arses. This is the most efficient way to burgle turds to satisfy their coprophagous appetites.
e.g. "Selfcoring causes stretching, prepare to be loosened! I love coring myself."
To take an alcoholic beverage (alone or among friends) and drink it in the corner. Can be chugged or gulped, but should be done in a quick manner. Shots can be corned as well.