Possible Clues:

• What happy get-rich-quick types do and anglers tickled too? (5,3,3,3,2,3,4)
• Delight in financial gain like wealthy anglers? (5,3,3,3,2,3,4)
• Gleefully and profitably head for dry land, having sold someone down the river? (5,3,3,3,2,3,4)
• Get ready to split one's sides? (5,3,3,3,2,3,4)