What is the whit stuff that comes out of your ass after fingering it?

The white substance that may come out after fingering the anus could be a mix of bodily fluids, including mucus, and possibly remnants of stool. The anal area naturally produces mucus for lubrication, and if fingering occurs, it can stimulate this secretion. If there are concerns about unusual discharge or irritation, it's best to consult a healthcare professional for advice.