An irritating customer/consumer is an individual who consistently exhibits behavior that causes annoyance, frustration, or inconvenience to those serving them. This type of customer/consumer may display impatience, rudeness, or unreasonable demands, making it challenging for businesses to provide satisfactory service. They may also have unrealistic expectations and be difficult to please, leading to a negative experience for both parties involved. Dealing with an irritating customer/consumer requires patience, empathy, and effective communication to resolve any issues and maintain a positive relationship.