Possible Clues:

• Social blunder made by short old man
• Blunder due to foreman not finishing
• Indiscretion
• Blundering remark
• What a mistake not to use the net, by the sound of it! ()
• A blunder, faux pas
• Solecism committed with fawning affectation
• From chief electrician, short is a bad mistake
• Blunder made by foreman - that's not right
• Remark one wishes unmade