Quote Originally Posted by Neopadinski
This is slightly different, but I think it's essentially the same idea. Instead of a buttplug inserted into the female rectum, I'm curious about a male digital insertion. What does it feel like to have one's middle finger up a girl's butt? Is it hot? Warm? Is it wet? I always pictured it as being dry. Obviously it's tight. What does the channel feel like (squishy, tight)? My girlfriend isn't too keen on letting me stick my finger up her bum-which is ok, because I don't think I want to, either. This information is for a future story.

It's quite nice, actually. It's all warm and soft and kind of wet, but not too much. Technically speaking, the intestines are mucus producing organs, since, without some lubrication, having a poop would be a lot more work than it already is.