Yiddish: When a shlimazl goes dancing, the musicians' strings break.

SOURCE: Stutchkoff, Der Oytser fun der Yidisher Shprakh.
A shlimazl is a loser or a person with perpetual bad luck.

אַ שלימזל: גייט ער טאַנצן, צערײַסן זיך בײַ די כּלי–זמרים די סטרונעס.

A shlimazl: geyt er tantsn, tseraysn zikh bay di klezmorim di strunes.

When a shlimazl goes dancing, the musicians' strings break.