Related Clues:
- 'Seats sold out' abbr
- Boffo show sign
- Sign for a packed theater
- Capacity-exceeding letters
- Sign about a space shortage, briefly
- Sign of a sellout show
- Sign indicating a sold-out performance
- Boffo abbr
- Large number of people in one place
- Welcome sign for a B'way angel
- 'No seating' letters on Broadway
- Packed letters?
- Low-rent NYC building
- Press together
- Sign of an overflow