What occasion is a cold joke suitable for?

I think cold jokes are suitable for relaxed and familiar occasions. It's good to say a little cold jokes for a change. In contrast, "hot" jokes are suitable for more occasions, whether they are familiar or not, but you should pay attention to the content and don't be too inappropriate to meet new students at that time.

It's best not to say cold jokes because I think it feels good to say them when they are unfamiliar with each other.