What is when a guy calls you amazing?

When a guy calls you amazing, it usually means that he thinks highly of you and is impressed by your personality, character, abilities, or achievements. It may also indicate that he finds you attractive and desirable. However, it is important to note that the meaning and intention behind the word "amazing" can vary depending on the context, tone, and relationship between the speaker and the recipient. Therefore, it is important to consider other cues and communication signals to understand the full message and intent conveyed by the guy.