Analysis of information sources in references of the Wikipedia article "願其名泯絕" in Chinese language version.
The Classic Jewish Curse: Yimakh Shmo, May His Name Be Blotted Out.
And every time his abhorrent name was mentioned, it was followed by an extended roll of wooden noise-makers, graggers, and the curse, Yemach Shemoh!, May his name be wiped out. Thus had Jews revelled in the miracles of their survival ...
Under Italian influence, Purim carnivals have become common in many countries, with performances retelling the story of Purim. As part of the holiday, Jews are commanded to obliterate Haman's name throughout the generations.
Mengele, yemach shemo. How could such a creature breathe the same air as everyone else?
yimach shemo! 'May he be cursed!' Literally, 'May his name be blotted out!' Also, yimach shemo vezichro!, plural, yimach shemom (vezichrom). (Literally) 'May his name and memory be blotted out!' Used after an individual's name, as in Haman yimach shemo!
Every time the rabbi at yeshiva mentioned Hitler, he spat out afterward, 'Yemach shemo v'zichro'