Yep, it's a karma/likes meter that shows the total amount of likes on someone's content such as photos and videos. 1 filled droplet = 50 likes. If you hover your cursor over someone's row of droplets, you'll see how many likes they have.

It was a site update implemented around a month ago, someone else posted a discussion thread about it here: fantasyfeeder.com/forum/posts

Conchata Ferrell! That's so sad, I remember seeing her in many other movies and shows too.