The term "Teddy" has multiple meanings depending on its context.
1) In popular culture, Teddy refers to a type of stuffed animal resembling President Theodore Roosevelt's bear, which was named after him and became a symbol of the United States Republican Party. These bears are often given as gifts or collected by adults and children alike.
2) In music, Teddy refers to a genre of dance music originating from Belgium that is characterized by its use of electronic sounds and fast tempo.
3) In online slang, "Teddy" can refer to a type of erotic fan fiction where the main character is an anthropomorphic teddy bear. This subgenre often features themes of romance, sexuality, and/or dominance and submission.