Tzoah Rotachat (Hebrew: צוֹאָה רוֹתַחַת, Ṣōʾā Rōṯaḥaṯ – "boiling excrement") in the Talmud and Zohar is a location in Gehenna (Gehinnom) where the souls of Jews who committed certain sins are sent for punishment.
Babylonian Talmud
The Babylonian Talmud (Talmud Bavli) lists the cause for a Jew being sent to Tzoah Rotachat as "all who scoff at the words of the wise men (i.e., Chazal) is judged in Tzoah Rotachat". The Babylonian Talmud also hints that the punishment has more of a physical implication to it. Rashi writes that he who engages in "excessive scoffing" (the exegesis here involves switching the "ה" of "להג" and replacing it with a "ע", as they both are one of the five guttural sounds) (the former part of the verse) is met with the second part of the same "straining of the flesh", essentially being judged excessively (straining) of his body.The supposed presence of Jesus the Nazarene in boiling excrement is one of the often-claimed references to Jesus in the Talmud. Onkelos raises up a spirit named Yeshu by necromancy, and asks him about his punishment in Gehinnom. Yeshu...