Zhertva Aborta

Zhertva Aborta - lit. "abortion victim". An insult, signifying someone so sick and useless that their mother obviously tried to abort them, but was too stupid to succeed, and ended up with a child who resembles an underdeveloped, half-aborted fetus. The nearest American English equivalent is that scene in Batman Returns where the Penguin's parents get rid of him.
(kudos Marina S. for the idiom and explanation)