Generally, very thin stools ("ribbon like stool") result from intestinal inflammation. The lumen--the inside of the the tract--is narrowed by the swelling.
If this symptom is new for you, occurs frequently, or lasts for several days at a time, please do let your doctor know.
I just got back from a long trip to the beach. I traveled in the car for 12 hours. we made 4 stops. Since that trip my butt has been hurting. is this a sign of something?
In what way has it been hurting? Why did you make the stops (to rest?; to walk around?; to use the bathroom...)?
Do you have IBD?
I really need some more info to try to be of help. (Glad you got to go on vacation, though!)
Does pencil sized stool have anything to do with IBS?