The term 'uncontrollable spasm' can be summarized as a sudden, involuntary contraction of muscles. It is also known as a TIC, which is a three-letter word that is often used to describe this phenomenon. Uncontrollable spasms can be caused by a variety of factors, including stress, fatigue, and neurological disorders. They can range from mild to severe, and can cause physical discomfort or even pain. Treatment for uncontrollable spasms may include medications, physical therapy, and lifestyle changes.