Related Clues:

• It often comes to those who wait
• Money left on a table, often
• Buck for a bellhop, say
• Gratuity included in the six longest Across answers
• Kind of jar in front of a bar band
• Put this in jar of bar band
• "One ___ Over the Line"
• "Ooooooohhh ... On the TLC ___"
• '97 Finger Eleven album they left the waitress?
• Brewer and Shipley "One ___ Over the Line"
• Put in performer jar
• List drug written up as class A
• Advice tidbit
• Tip bucket one held in sink
• Good service indicator