Yiddish Curse: I wish on him the third plague of Egypt.

SOURCE: Stutchkoff, Der Oytser fun der Yidisher Shprakh.
The third plague was lice (or gnats or fleas). See all Ten Plagues of Egypt.

‏‏איך ווינטש אים די דריטע מכּה פֿון מצרים.

Ikh vintsh im di drite make fun mitsraim.

I wish on him the third plague of Egypt.