Someone in a public forum, namely TV or radio, that repeatedly sneaks in names of companies or products in order to get free advertising for the company. This especially happens when the person is a fan boy/girl or receives deep discounts for the products.

the thing that you don’t have when you’re phones percentage is over 20

One who is an exclusively vocal slut. May be a male or female, regardless the definition encompasses those who project sexuality despite their lack of a substantial sex life (or the presence of their virginity) and those who frequently pursue or entertain the interests of a potential paramour with no intention of committing or acting on an attraction that may or may not even exist.