Posted in Health & Medicine, Internet Slang AATCHB stands for And All That Could Have Been (song, Nine Inch Nails) AATCHB stands for Aberdeen Area Tribal Chairmen’s Health Board AATCHB Share Pinterest Tweet Whatsapp Post navigation AASHRMBAPM Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.