There are currently 3 glitches, and one can happen in different ways.
What's New Edit
On January 26, 2020, the Slime Toy Glitch was introduced.
Dervish Slime Glitch Edit
Dervish Slimes can sometimes become translucent. When this happens, You can't pick them up, even when you don't have a full inventory.
Slime Toy Glitch Edit
Invisible Slime Toys Edit
If a slime toy stays in its location for around 25-55 minutes, it will become invisible and noncarriable.
Hostile Toys Edit
When a slime toy stays outside of any corral and sits where it is for around 20-45 minutes, it will become somewhat harmful.
Slime Toy Uncabbables Edit
Untabbable Toys Edit
When Slime Toys sit for around 30-50 minutes, it will become untabbable.
Slime Toys and Unengagement EditSlime Toys can react to an unengagement system, which causes a glitch.
Gordo Glitch Edit
Gordos may pop at this moment, but suddenly, they disappear and can't be popped until the next 50 days of the game.