Related Clues:

• Mikey's cereal
• "That's __!": "Funny!"
• Long sentence?
• Long, long sentence
• Word substituted FOR the last word of 23-Across
• Biographer's topic
• This puzzle's theme word
• ''That's ___!'' (parent's admonition)
• Board game whose earliest version came out in 1860
• The "it" in "He likes it! Hey Mikey!"
• Magazine that first published "The Old Man and the Sea"
• Biography's story
• "That's __!": parental warning
• "You're ___, Alice!"
• "A jest" per John Gay