The term 'Spit it Out!' can be summarized by two crossword solutions: SALIVA and PHLEGM. SALIVA is a clear, slightly alkaline liquid secreted by glands in the mouth and necessary for the digestion of food. It also helps to keep the mouth moist and aids in speaking. PHLEGM is a thick, sticky mucus produced in the respiratory system that is expelled through the mouth or nose. It is usually associated with coughing and is a sign of an infection or irritation in the lungs.