Definitions by PeeVee
diarrhea
1.Ennis: Hey Jack, let go bareback mountin'.
Jack: I'm afraid not, Ennis, I've got my diarrhea!
2.Damn, I've got a pain in the ass, must be the stupid diarrhea!
Jack: I'm afraid not, Ennis, I've got my diarrhea!
2.Damn, I've got a pain in the ass, must be the stupid diarrhea!
wikipedia
Merriam-Webster dictionary
I found Urban Dictionary more useful than Merriam-Webster dictionary while learnig modern American language.
Merriam-Webster dictionary by Peevee July 30, 2008