The phrase "My sense of humor is broken" is an idiomatic expression used to convey that someone is not finding something funny or is unable to appreciate humor at the moment. It is often said humorously or as a way to explain why someone is not laughing or responding with amusement to a joke or funny situation.
When someone says their sense of humor is broken, they may be indicating that they are not in the right mood to find things funny, or they might be going through a tough or emotional time that affects their ability to enjoy humor. It's a lighthearted way of saying that they are not finding humor in the current situation and might not be up for jokes or laughter at that moment.
Of course, in some cases, the phrase might be used more seriously if someone is dealing with deeper emotional issues that are affecting their ability to enjoy humor altogether. In such cases, it could be a way of expressing that they are not feeling well emotionally and might need support or understanding.
In general, it's essential to be sensitive to the context and the individual's emotions when someone says their sense of humor is broken and respond accordingly with empathy and support if needed.