wouldn't wish something on my, etc. 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.

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 (something) on my worst enemy
  • I wouldn't wish that on my worst enemy
  • I wouldn't wish (something) on (someone)
  • I wouldn't wish (something) on a dog
  • (one's) fair share (of something)
  • one's fair share
  • your fair share of something
  • hate (someone or something) like sin
  • hate like sin
  • worthwhile cause