A type of sales technique that involves flattery and flirtation. The technique is effective at giving value and power to the salesperson's suggestions and compliments, thus resulting in a larger sale.
The most extreme example of this would be an exotic dancer, making you feel like she likes you so you'll come back for another dance. It exists, however, at lesser degrees, especially at smaller, boutique-y, bougie stores.
Their face cream doesn't actually cure acne, they just use girlfriend vibes to sell it. I bought a year's supply.