Noun
(slang, vulgar) A sex toy designed for insertion into the anus and rectum.
Synonym: anal plug
(athletics) A rubber cap fitted to the end of the pole in pole vaulting.
Source: en.wiktionary.orgExamples of products or words used to identify these products are: Butt plug, anal plug, anal massager, anal egg, anal beads, and anal dildo. Source: Internet