Mouth Diarrhea occurs when you are eating, and someone makes you laugh. You are unable to swallow due to the fact that you are laughing. Food then spills out of your mouth along with any saliva in your mouth. Often the food will be discolored and mushy.
**Two people at restruant
Girl1: And then like, she freaking jumped in front of the car!!
Girl2: OH MY GOD! *laughs uncontrollably*
Girl1: Wow...Nice going. That's some pretty severe mouth diarrhea lol