Showing displeasure is a common way to express one's dissatisfaction or disapproval. It can be done in various ways, such as booing, resenting, pouting, hissing, groaning, frowning, and scowling. Booing is a loud, sharp sound made to show disapproval. Resenting is feeling or expressing bitterness or indignation at something perceived as a wrong, insult, or injury. Pouting is making a sulky expression with the lips protruding. Hissing is making a long, sibilant sound to express disapproval or contempt. Groaning is making a low, mournful sound to express pain, grief, or annoyance. Frowning is making a facial expression with the eyebrows drawn together and the forehead wrinkled, typically to express disapproval or concentration. Lastly, scowling is making a facial expression with the eyebrows drawn together and the forehead wrinkled, typically to express anger or disapproval.