Historical clue formulations

• "Enough out of you!" — 2026-08-14
• When repeated, secret — 2026-02-25
• Calm — 2025-08-16
• "Keep it down!" — 2024-08-12
• "Zip your lip!" — 2021-08-24
• Reaction to someone tapping a microphone, maybe — 2021-04-16
• "Quiet!" — 2020-09-02
• Word whispered by the quiet old lady in "Goodnight Moon" — 2020-08-15
• "Zip your lip!" — 2017-10-16
• "Shut your mouth!" — 2011-11-30
• "Pipe down!" — 2011-10-25
• "Quit your crying" — 2011-04-17
• "Shut yo' mouth!" — 2010-09-06
• ... a mother with noisy kids — 2008-12-02
• Word to a crying child — 2008-06-23
• "Quit your crying!" — 2007-08-26
• Keep concealed, with "up" — 2005-04-29
• "Pipe down!" — 2003-07-28
• Silence — 2003-07-21
• When repeated, not to be repeated — 2002-12-12
• Theater admonition — 2001-12-11
• When doubled, confidential — 2001-05-27
• "Pipe down!" — 1998-09-03
• The sound of silence — 1998-08-28
• "Not another word!" — 1998-04-26
• Kind of money or puppy — 1994-05-22
• Silence — 1994-05-05