Related Clues:
- Bans cheers with drinks, we hear
- Frowned-upon actions
- Forbidden behaviors
- "Tsk" evokers
- Things that are totally unacceptable
- Cheers and jeers are forbidden
- They must be avoided at all times
- Repeatedly Old Bill's covering up unacceptable things
- Taboos for a 39-Across
- Things you can't do with child, running around
- Heading on a list of actions to avoid
- Frowned-upon activities
- Breaches of "spoiler etiquette," e.g