Related Clues:
- Cell phone ring in a theater, e.g.
- It's frowned upon
- Smacking one's lips while eating, e.g.
- I.R.S. target
- Forbidden action
- Elbows on the table, e.g.
- Roving eyes on an exam, e.g.
- Don't
- "___ Nanette"
- Social blunder for Nanette?
- Forbidden activity
- Something to avoid
- Bilk
- It's off-limits
- Admonition to Nanette