inud verb English. Speaks without opening one's mouth, usu. to express agreement, approval or surprise, m"m. Example sentence: Subanen. Sa' pegabitabit ami ni Ansikpun, si Idus laak penginudinud. English. When Ansikpun and I were talking, Iros just kept agreeing, “m"m, m"m.” Example sentence: Subanen. Sa' duuni menguman subay inuden. English. When someone's singing the uman, he needs to be egged on with mumbles of approval.