Furry scat (Kemo-scat in Japanese)
isn't actually the most popular!
We have a server full of people loving human girl hyperscat (大量脱糞)

http://leshawkcomics.tumblr.com/post/151628243462/nounsthesame-stop-the-presses-many-thanks-to

https://emmapresents.tumblr.com/post/165372962922/ah-ive-had-this-piece-on-my-computer-a-while-and

https://carafalsa.tumblr.com/post/163785234782/6teen-nikki-poots-and-pantypoo-poor-girlie-she

These are a few samples!
The first one is an animation with sound so becareful