The analyzed phrase combines colloquial language expressing affirmation and positivity with a surname. The informal expression, “ain’t that good news,” conveys agreement about a favorable situation. The addition of “Messick,” presumably a family or individual’s name, personalizes or attributes the good news to that entity. As it functions within a broader context, the name “Messick” acts as a noun, specifically a proper noun.
The use of the entire phrase suggests an emphasis on the source or origin of the favorable information. Attributing the “good news” to the named entity establishes a direct link between the positive outcome and that person or organization. Historically, such attributions have been used to acknowledge contributions, highlight key players, or assign responsibility for positive results. The implication is that “Messick” played a role in bringing about or being associated with the “good news.”