 In stand-up or even during an award show where you're hearing the feedback from the crowd on what you're doing. Well, hopefully you have a good host and a good host will know, a good comedian, a good anyone like a live performer will know to acknowledge the bomb. A really good comedian or host can own the bomb. When a joke doesn't hit, you acknowledge it and that makes you seem self-aware and charming and then that helps you win the crowd back. The worst thing you can do and when things truly get out of hand is when someone is bombing