Related Clues:

• By ine-fifty in the morning I may be out of bed, but I won't give you any information
• Fall silent and refuse to talk
• Evidence of traffic wardens outside university makes one stop talking
• Don't talk of university when restricted by immobiliser
• Little Malcolm might be made to stop talking
• Abruptly stop talking (colloq.)
• Stop talking of vice around university
• Stop talking, little Malcolm
• Stop giving out batter in bowl
• Keep mum
• Refuse to talk about said meat at university
• Say nothing about half of muck found in drink
• Give nothing away
• Hush one's mouth
• Vice around university? Say not a word