Related Clues:

• ___-four (bit of CB slang)
• Cubs, on scoreboards
• Pin near the gutter
• Top score, or half a score
• Tai ___ (exercise method)
• 'Big' number in college athletics
• Yellow "Monopoly" bill
• Two fivers
• "Down for the count" number
• Greek letter X
• X, numerically
• "... a ___ o'clock scholar"
• Sox home, for short
• Olympics ideal
• Letter between phi and psi