0 to repeatedly move your head or the top part of your body quickly down and in different directions, especially to avoid being hit:
Charlie defended himself well, ducking and diving, remembering every skill he had learned at the Boxing Club.
He is always ducking and diving and looking for ways of putting his own interests before those of the country.
He had never had a steady job, had been ducking and diving since leaving school at the age of 15.
