I've got a question. I don't know what to tell after a joke when I made a mistake while telling it. I asked people from my country and they told me to say "I killed it", "I fell flat" or "bang went my joke". Can you help me?
I'd say the 'the joke fell flat' if no one thought it was funny. If I made a mistake teling it, I'd say that I 'fluffed it'.