Aunt peg's new old man

It sounds like you're referring to a character from a story or a family member. Aunt Peg's new old man could be a humorous or ironic title, as it implies that Aunt Peg has acquired a new older man in her life, possibly as a romantic partner or a new husband.

Without more context, it's difficult to provide a more specific interpretation. Could you please provide more information about Aunt Peg's new old man, such as their relationship to her, their age, or any notable characteristics they may have? This will help me better understand your question and provide a more accurate response.