doesnt mean anything. You can get a runny poo anytime,a and because it happened so close to your unination in your pants is just a happen so. May never happen again. Then look back and think about what you ate and drank around that time. An allergy will do that, bad food from fast food joints do that ( they are NOT clean!) Just watch and see what happens and eat plain food and drink plain water. Let us know how you make out