The International Bear Brotherhood Flag was designed to represent the bear subculture within the LGBT community. The gay (and also bi, and possibly any other non-het orientation) bear culture celebrates secondary sex characteristics such as growth of body hair and facial hair, which is typically considered a “bear” trait.
*This definition is neither comprehensive nor inviolable, but it’s a work in progress toward those goals. With identity terms, trust the person who is using the term and their definition of it above any dictionary. These definitions are the creation of a cultural commons: emails, online discussions, and in-person chats.