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2.
the art of sticking ones foot up the anus as far as it may go.
joel was such a charmer that he convinced two girls into a rousing night of slippering, thereby cleaning his floor.
by spazzy mchotpants February 15, 2005
 
1.
A type of spanking that consists of hitting the buttocks with a shoe -- or "slipper." It used to be a common form of corporal punishment.
My daddy was so upset at my mistake that he took off his shoe and gave me a slippering on the spot.
by Vic Hunt May 29, 2010