A toilet is a piece of furniture designed for urination and defecation.
Toilets and spanking
The western style toilet with it chair-like nature lends itself to be used as a seat in many spanking positions, partially OTK, when the spanking taking places in a bathroom or a restroom.
Toilets and discipline
Toilets can be used as part of humiliation punishments by forcing a lack of privacy in their use, partially in reenactments of toilet training or punishment enemas.