"Dinner conversation" refers to the discussions and interactions that take place during a meal, typically in the evening. It involves sharing ideas, stories, and engaging in conversations with others while eating. Full definition
I can't tell you how many dinner conversations with author friends have been about this very topic. (writerunboxed.com)
After all, «anal glands» are not approved dinner conversation in most circles, and they're probably something you'd rather not think about. (ctvsh.com)
Having borrowed money from family or friends can make for awkward dinner conversation. (glassridge.com)