In a sexual context, “LD” can stand for “lifestyle” or “lifestyle dominant.” It often refers to individuals or communities that embrace alternative sexual practices or open relationships, commonly associated with the BDSM (Bondage, Discipline, Domination, Submission, Sadism, and Masochism) and swinger communities.
However, context is crucial, as abbreviations can have different meanings depending on the situation or community. If you have a specific context in mind, please provide more details for a more precise explanation!