Possible Clues:

• Lead-in to a congratulatory cry
• ''__ way to go!''
• ___ Boy (gin cocktail)
• Lead-in to "boy!" or "girl!"
• '___ way!'
• '— boy!'
• Enthusiastic start for boy or girl
• Lead-in to ''boy'' or ''girl''
• "___ boy!" (Way to go!)
• ''___ boy!'' (''Way to go!'')