What's the worst thing you could say about your enemy in the nicest way possible?

I've been called worse things by better people

Bless your heart

Their opinion of themselves exceeds their capability.

"I don't know who they are but I wish them the best."

"Their childish antics amuse me."

"I considered becoming friends with them but ultimately they don't fulfill any of my requirements for a friendship."

"They're really doing the best with the hand they were dealt."

"I don't want to share my opinion on this person."

"We crossed paths but I don't remember anything."

I hope they win the lottery and retire immediately.

I hope you get everything that you have given others.

they always put in lots of effort

They've always been a great example to me.

rock on with your bad self