An issue everyone knows but won’t discuss

When someone says they will do something “when pigs fly,” what do they mean?

They will do it after everything important is done

You are accused of “beating a dead horse.” What are you accused of?

Discussing something pointless or that has already been resolved

Cheating to win a contest you would have easily won

Your friend tells you “I have butterflies in my stomach.” What is the matter with them?

Someone tells you that they quit smoking “cold turkey.” What do they mean?

They did it suddenly without any preparation

What is the “elephant in the room”?