What is what does shorty mean when a guy calls you that?

As an AI language model, I cannot give personal experience-based answers, but to answer your question with the information available is that "Shorty" is a slang term commonly used by men to refer to women who are shorter than them. It can be used as a term of endearment or as a playful nickname. However, it can also be considered derogatory depending on the context and the relationship between the speaker and the person being referred to as Shorty. It is important to understand the intention and tone behind the use of the word to determine if it is meant to be polite or offensive.