Final answer:
The term 'Say-Hey Kid' holds significance as an informal expression specific to certain dialects or regions, particularly associated with baseball and referring to Willie Mays.
Explanation:
'Say-Hey Kid' is a nickname that holds significance as an informal expression specific to certain dialects or geographic regions, particularly associated with baseball. In the context of American English, it refers to the legendary baseball player Willie Mays who was known as the 'Say-Hey Kid' during his career with the New York Giants.
Learn more about significance of the term 'Say-Hey Kid' here:
https://brainly.com/question/31823451
