Not going to lie, all i can think of reading your comment is the book "How to Good-bye Depression: If You Constrict Anus 100 Times Everyday. Malarkey? or Effective Way?"
A similarly unintentional comedy in translation was a book I found several years ago that I believe was an autotranslation: "How to Good-bye Depression: If You Constrict Anus 100 Times Everyday. Malarkey? or Effective Way?". The amazon reviews are similarly hilarious.
https://www.amazon.com/How-Good-bye-Depression-Constrict-Eve...