P.T.U.T.
P. T. U. T. is when the toilet on a plane becomes a warzone. Everyone's got a hangover, and the toilet smells like a dead raccoon wearing a sock.
"I made it to the toilet before the old man with the beer belly."
"The toilet was so packed, I had to pee on the floor."
"I missed P. T. U. T. and now I'm peeing my pants."