Butt plug
Definition
A butt plug (also known as an anal plug) is a toy that is specially designed to be inserted anally and remain there for a shorter or longer period of time. The plug can be used for sexual stimulation, training of the sphincter muscle, preparation for anal sex, or as part of a BDSM dynamic such as control, humiliation, ownership, or prolonged playtime.
For a detailed explanation, see anal plug.
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