I wouldn't wish (something) on my worst enemy

I wouldn't wish (something) on my worst enemy

The thing being discussed is so bad that no one deserves to be subjected to it, not even a person I hate. I wouldn't wish cancer on my worst enemy. No one should have to go through that. That's the worst class I've ever taken. I wouldn't wish that professor on my worst enemy. Buffering videos are truly the worst. I wouldn't wish them on my worst enemy.
See also: enemy, on, wish, worst
Farlex Dictionary of Idioms.

I wouldn't wish that on my worst enemy.

 and I wouldn't wish that on a dog.
Fig. I would not wish that to happen to even the worst or lowliest person. A skunk sprayed him! I wouldn't wish that on my worst enemy. What a hideous disease! I wouldn't wish that on a dog.
See also: enemy, on, that, wish, worst
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

wouldn’t wish something on my, etc. worst ˈenemy

(informal) used for saying that something is so unpleasant, painful, etc. that you would not like anyone to experience it: It’s a terrible job — it’s dirty, noisy and boring. I wouldn’t wish a job like that on my worst enemy.
See also: enemy, on, something, wish, worst
Farlex Partner Idioms Dictionary
See also:
  • I wouldn't wish that on my worst enemy
  • wouldn't wish something on my, etc. worst enemy
  • I wouldn't wish (something) on (someone)
  • I wouldn't wish (something) on a dog
  • (one's) fair share (of something)
  • your fair share of something
  • one's fair share
  • hate (someone or something) like sin
  • hate like sin
  • worthwhile cause