"Free pussy vids" refers to videos that feature explicit content involving a woman's genital area, known as the 'pussy.' These videos are available for viewing online without any cost or subscription. The term 'free' means that users can access these videos at no charge, and 'pussy vids' is a colloquial way of describing such explicit content featuring female genitals. This tag is aimed at adult audiences who enjoy watching free explicit content involving women's private parts.