Possible Clues:

• Tone Fianna F¿il used for the quarrel
• Firm's leader being dismissed creates a row
• Not a serious quarrel though it turns very noisy
• Spat it back really loudly
• Scrap headless body
• Being apt to turn, fathead spat
• At home leaving light lunch leads to spat
• Domestic disturbance
• Hard to move, dismissing first argument
• Dustup