Over-advertising is a term used to describe the act of promoting or advertising a product or service in an excessive or exaggerated manner. It is often done to create a false sense of urgency or demand for the product or service. This type of advertising can be seen as unethical and misleading, as it can lead to customers feeling misled or taken advantage of. The term 'HYPES' is a five-letter word that is used to describe this type of over-advertising.