Naked Rollmat Fighting
After hours nude pugilism involving the imaginative use of rollmats secured around the upper limbs.
Warring parties would proceed to tater the living daylights out of each other in a drunken whirlwind of flailing styrofoam, whilst being surreptitiously filmed by their inebriated colleagues.
An Interview Without Coffee would invariably follow - especially when the incriminating evidence appeared on the Internet and (ultimately) the News at Ten.
See also 3 Para Mortar Platoon.