Related Clues:
- "Bye bye" somewhere
- NYC's Madison
- Caesar's hello
- Park, for one: Abbr
- Sicilian send-off
- Madison, e.g.: Abbr
- Flatbush or Fifth: Abbr
- Columbus or Madison: Abbr
- Italian farewell found in the three longest Across answers
- Way to greet Gaius
- NYC's Madison, e.g. (not Caleb ha ha)
- Pennsylvania ___ (home to 40-Across's chiller pad, once)
- Trendy hi
- Many a Monopoly rd
- Tuscan 'Ta-ta!'