Possible Clues:

• A mocking 'Fish, sire, swim in it'
• Is nothing in Ulster city fit to be jeered at?
• One in a sore, dry setting with scorn
• Ridiculously inadequate boat boarded by father going westward
• Is love in Irish city of little value?
• Father gets upset tucking into fish - it's pathetically small
• Showing scorn or ridicule
• Scoffing
• Insultingly small
• Deserving of scorn, not to be taken seriously