The act of being in charge, to take control.
Did you see Bethany running shit the other day at work when Terri and Jess got into a fight?
Thinking you're too cool; and you often have sex Cami Style.
Crushing an apple on your own head to intimidate an upper classman.
Ex: "Oh my god do you see Joey? He is totally running shit!"
usually happens while walking around a mall, school, or house. starts with a walking fart, then quickly turns to the running shits. these are something not for the weak at stomach, however stomach flu can make them much worse. sometimes referred to as the trots, or explosive diarreah.
omg me and charles were walking around the mall the other day, he got the walking farts and then suddenly he had the running shits.