Is this normal? What is it?

[mckinleyw]

Hey everyone. So i have a question. I seen this in my gf and my candy came coral. What is it? Good, bad, ugly? Im talking about the brown coming out its mouth.

 

[tripdad]

It's just removing waste, nothing to be concerned about.

 

[Mikedawg]

Yep, part of the cycle, ha ha