by 1930, from raggedy + ass (n.2).
Inferior; sloppy; half-assed: some kinda raggedy-ass agreement she thinks is a legal will/ picked up from some raggedy-pants US trackside
[WWI armed forces; found as ragged-arse by 1896]
[rag-ing] /ˈræg ɪŋ/ noun, Metalworking. 1. (in the rolls of a rolling mill) corrugations affording a grip on a piece being roughed. [rag] /ræg/ Informal. verb (used with object), ragged, ragging. 1. to scold. 2. to subject to a teasing, especially in an intense or prolonged way (often followed by on): Some of the boys […]
[rag-uh l] /ˈræg əl/ noun 1. a groove cut in masonry to receive flashing. 2. Also called raggle block. a manufactured masonry unit, usually of terra cotta, having a groove for receiving flashing. /ˈræɡəl/ noun 1. (mainly Scot) a thin groove cut in stone or brickwork, esp to hold the edge of a roof
[rag-uh l-tag-uh l] /ˈræg əlˈtæg əl/ adjective 1. . /ˈræɡəlˈtæɡəl/ adjective 1. motley or unkempt: a raggle-taggle band of volunteers and students
[rag-ee] /ˈræg i/ noun 1. a cereal grass, Eleusine coracana, cultivated in the Old World for its grain. /ˈræɡɪ/ noun 1. a cereal grass, Eleusine coracana, cultivated in Africa and Asia for its edible grain