Possibly the messiest mess rugby I have seen was at HMS Flying Fox when Bristol URNU used a frozen chicken as a ball. Afterwards looked like Apocalypse Now and several uniforms were ruined. Edwina Curry would have had a fit
Have been involved in Wardroom serving hatch runs, possibly less dangerous that scuttle runs, and quite fun until a portly SD officer became wedged as he dived headlong for the hatch. Definately a case of round peg in a square hole!