If Vicky reveals that "his mother is the only girl child of Chicky's mother," what is Chicky's relationship to Vicky?

To understand Vicky's relationship to Chicky based on the statement, it's essential to break down the information provided. Vicky states that "his mother is the only girl child of Chicky's mother." This indicates that Chicky’s mother has only one daughter, who is Vicky's mother.

This means that Chicky is Vicky's mother's sibling. When considering family relationships, if Chicky is Vicky's mother's brother, then Chicky would indeed be Vicky's uncle. An uncle is a male sibling of one’s parent, which fits the description given.

Thus, Chicky's correct relationship to Vicky is that of an uncle.