Just found out that I mispronounced the kanji. It should be 全身反応法. Zen Shin Han’no Hou. Please update your dictionary accordingly.
At least I know that Total Physical Response is pronounced correctly.

I hope PDR and Hikosaemon aren’t too upset about this little parody.
It just kind of hit me all at once. and I had to do it. Logistics for this one was surprisingly complicated.
YouTubers Highlighted:
PDRsan: https://www.youtube.com/channel/UC6uo7Swuhid4KcK97n2l7_Q

Hikosaemon: https://www.youtube.com/channel/UCnDDVHmaiCrII800qwAxeQQ

For those interested, it seems that the Wilhelm Scream is in the public domain. I got my copy from here:
https://archive.org/details/WilhelmScreamSample

TPR is a real thing and Simon Says is one of the main ways that it is used. It was originally developed by James Asher, check the wikipedia article for more information.