Troubling definition and meaning Threesome is a term that describes a unique bond where three people come together emotionally involved connection. Threesome not only includes affection, but also emotional support and commitment. The significance behind throupling illustrates that it's about discovering fulfillment within the context of a dynamic trio. Being involved in a throupling requires honesty, communication, and consent from all individuals involved. In general, throupling embraces variety in relationships and challenges traditional concepts of love and romance.