Boarding diarrhea 

A very loose uncontrolled movement of the bowels whilst within the time period whose limits are defined by:
a) Handing your boarding pass to the gate agent
and;
b) Taking your seat on a commercial airliner.

"Well, I was just getting on Onur Air flight 711 to Dalaman when I suddenly had a huge spout of boarding diarrhea!"

Boarding diarrhea by Sheeeeeaaaaaaaannnnnzzzzzz December 9, 2008

Diarrhea Boarding

A type of torture that is like waterboarding except instead of water they pore diarrhea on your face.

Lets do some diarrhea boarding.

Diarrhea Boarding by Judge dredd7 May 24, 2011