Earworm, the catchy tune that gets stuck in your head, can be defined as a musical phrase that plays in your mind over and over again. However, there are other synonyms for this annoying phenomenon. For instance, it's often referred to as a mental itch, sticky music, brainworm, sound worm, or mind parasite. It's also been called a pentothal playlist, a tune tequila, and an auditory hallucination. Regardless of the term used to describe the earworm, it's an irritating condition that can be hard to shake off. From pop songs to commercial jingles, earworms have the potential to drive you crazy.