ditty bag noun5 •A small bag used to carry one's personal effects or toiletries while traveling. •A sailor's small bag to hold thread, needles, tape, etc.; a housewife. •A Girl Guide's bag to hold dishes and cutlery, usually made of mesh fabric or sewn dishtowel. •A bag used to hold costume pieces that do not hang on hangers, such as socks or gloves. •A cameraman's bag containing various small tools. formsditty bags