What the parent comment said, plus there's a technique from Improv sometimes called "Agree and amplify", and when both conversation partners are good at it there is fun to be had:
If someone asks you if you enjoy looking at elephants in tutus and you reply with “no that’s stupid”. It really hinders the conversation and stops whatever momentum you have. If you don’t think it’s a really strong topic, try to accept what the person says and try to improve it. You can improve it by saying, “what about ninja’s in tutus? It would be a lot funnier to see them run around with pink tutus and trying to be stealth, don’t you think?
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