I believe it's called Dumping Syndrome. Occasionally with me, about
1-2 hrs after I eat, that same food will be in the toilet. It happens a few times a month for me. How often does it happen to you?
I have IBS and am honestly not sure if there is any connection between the dumping of your stomach and the contractions in your colon.
It is very dissapointing to find food you spent money on, that you never fully digested to be in the toilet.