As I said once before, said Whittington angrily, "quit fooling, and come to the point.
Whittington angrily hated to repeat himself as he said once again "quit fooling and get to the point". 
mnli hypothesis: Whittington angrily hated to repeat himself as he said once again "quit fooling and get to the point".  premise: As I said once before, said Whittington angrily, "quit fooling, and come to the point.