crohnie
Someone who suffers from Crohn's Disease.
The Crohn's community on Tumblr refer to themselves as Crohnies.
Crohnie Special
The one time, when in large groups, a certain person with Crohn's disease farts. This releases many toxins into the air thus making it the special time where no one can breathe.
Oh my God! David let out a huge Crohnie Special! RUN!