I was just wondering if anyone has herd this or herd of it. so i have a pet rat, that was going to be fed but turned out to be very nice so i kept her. she sits in my lap and rides around on my shoulder when i am around the house and when we are just sitting in one spot she will start to make this smacking noise with her mouth (and once she stops if you make the same type of sound with your mouth she will start right back up again) and she will do it over and over again. if anyone knows what that means that would be great.b

Dan