For some neurodivergent children and young people, spitting isn’t about rudeness or defiance - it’s a form of communication, self-regulation, or sensory seeking. Understanding the “why” behind spitting is the first step in finding supportive strategies that work for everyone. Explore the psychology of spitting on someone—why it triggers disgust, serves as dehumanization, and leaves lasting psychological scars beyond physical. Constant spitting usually means your mouth is producing more saliva than you can comfortably swallow, or something is making it harder to swallow the saliva you normally produce. Excessive spitting often results from oral irritation, neurological issues, or habit, and can be managed through targeted treatments and behavioral changes. Spitting more than usual can be frustrating and embarrassing. Spitting is the act of forcibly ejecting saliva, sputum, nasal mucus and/or other substances from the mouth. The act is often done to get rid of unwanted or foul-tasting substances in the mouth, or to get rid of a large buildup of mucus. Spitting is the act of forcibly ejecting saliva or other substances from the mouth. In many parts of the world, it is considered rude and a social taboo, and has sometimes been outlawed. Spitting is the forceful expulsion of saliva and other contents from the mouth. Although often viewed as a social taboo, this common human action serves fundamental biological and behavioral purposes. Ulcers, cancers and the spreading of disease are major considerations when talking about the dangers of spitting. Mental issues, such as self image problems, can also become a contributing factor in developing a spitting habit. Spitting in public is a silent health threat. Learn how saliva spreads diseases like TB, COVID-19 and hepatitis, and why stopping this habit is vital. One of the most common reasons for sudden, excessive spitting is acid reflux. When stomach acid creeps up into your esophagus, it triggers something called the esophago-salivary reflex. Your salivary glands flood your mouth with watery saliva in an attempt to dilute and neutralize the acid.