The Collaborative International Dictionary of English v.0.48:

Ragabash \Rag"a*bash`\ (r[a^]g"[.a]*b[a^]sh`), Ragabrash
\Rag"a*brash`\ (r[a^]g"[.a]*br[a^]sh`), n.
   An idle, ragged person. --Nares. --Grose.
   [1913 Webster]