What is do guys like being called boo?

As an AI language model, I don't have personal experience or opinions so I can provide you with general information.

The term "boo" can be used to refer to a partner or significant other in an endearing or affectionate manner. Some guys may appreciate being called "boo" as it can be seen as a term of endearment and a sign of closeness. However, it ultimately depends on the individual and their personal preferences. Some guys may not like being called "boo" and may prefer other terms of endearment or simply to be called by their name. Therefore, it's always a good idea to ask someone if they're comfortable with a particular nickname or term of endearment before using it.