Related Clues:

• Play on words about girl being a prude
• Train up loony to be a very proper person?
• Smug type first to leave branch
• Old maid puts doctor under pressure
• Regular servings of porridge? Goody-goody!
• Puritan sparring with odd characters lost
• Calvinist Protestant
• Up train crashed – one not expected to go off the rails
• One with very strict moral principles
• Strait-laced girl to be educated in wit, of a sort
• Extremely strict girl cracks joke
• Snooty type?
• Joke about educated woman, who didn't recognise Noel?
• Strict moralist
• Moralistic zealot serves a turnip stew