Yiddish: May he swallow an umbrella and may it open in his belly.

SOURCE: Harshav, The Meaning of Yiddish.
A bizarre example of a מיתה–משונה | mise-meshune | violent, unnatural death (see next saying).

זאָל ער אַראָפּשלינגען אַ שירעם און ס'זאָל זיך אים עפֿענען אין בויך!

Zol er aropshlingen a shirem un s'zol zikh im efenen in boykh!

May he swallow an umbrella and may it open in his belly!