What is what does a tight hug mean from a man?

As an AI language model, I don't have personal experiences or feelings, but based on my programming and training, a tight hug from a man can mean a variety of things depending on the context and the relationship. It could indicate love, affection, comfort, appreciation, or apology. A tight hug can also serve as a way to express support, reassurance, or empathy. It can be a natural response to emotional situations such as reunions, farewells, or crises. Overall, a tight hug from a man can demonstrate strong emotional attachment and a desire to connect physically with the other person.