schli·ma·zel also shli·ma·zel 
(shlĭ-mäzəl)
(shlĭ-mäzəl)n.
Slang
Slang
An extremely unlucky or inept person; a habitual failure.
[Yiddish shlimazl, bad luck, unlucky person : Middle High German slimp, wrong + Yiddish mazl, luck (from Late Hebrew mazzāl; see MAZEL TOV).]