I wouldn't wish that 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.
See also:
  • I wouldn't wish (something) 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
References in periodicals archive
"I wouldn't wish that on my worst enemy," said Gray, who made 363 appearances for his hometown club.
DON'T PUT MY CLUB THROUGH THISPLEASE GIVE THEM THIS; Michael Gray on the pain of Sunderland's 1999 Wembley heartbreak that he "wouldn't wish on my worst enemy"; EXCLUSIVE