Boat Crud

1) The disease that one person brings onboard the submarine that infects the entire crew, rendering the boat virtually useless. 2) The combination of all diseases brought onboard by the crew that makes the super-powerful, incurable, mega-disease that everyone gets.

In other news, a new crewmember onboard U.S.S. Underway, as brought boat crud underway. No word yet on how this will affect its upcoming deployment.