Yiddish: May his bones rot in hell.

SOURCE: Stutchkoff, Der Oytser fun der Yidisher Shprakh.
IMAGE: detail from Ahasuerus, wood engraving by F.J. Gauchard after G. Doré, 19th century  (credit: Wellcome Collection)

זײַנע ביינער זאָלן פֿוילן אין גיהנום

Zayne beyner zoln foyln in gehenem.

May his bones rot in hell.