Possible Clues:

• Expression of boredom
• Rachel Flint's middle name, we hear - oh, well!
• Expr. of weariness
• Last ones dropping on summit, boiling give a weary expression
• Exclamation expressive of weariness
• Exclamation
• A resigned expression?
• Batty Ms Flint announcing her resignation?
• Sigh when High Horse waywardly runs outsiders off
• I'm tired!