What is what does it mean when a guy says night?

"Night" is often used as a shortened version of "goodnight" when saying goodbye to someone in the evening or before going to sleep. It is generally a friendly and casual way to end a conversation and show that the person is signing off for the night. However, the meaning can also vary depending on the context and the tone used by the person saying it. In some cases, it may be a way for a guy to signal that he is not interested in continuing a conversation or spending more time with the other person. Therefore, it's important to consider the situation and the surrounding circumstances before drawing any conclusions about the guy's intentions.