Body parts are numbered, like
3. Armpit etc.
All the people playing are numbered:
3. Martyn etc.
Substances used are numbered:
1. Whipped cream
2. Chili sauce
3. Ketchup etc.
You roll a dice
First roll is what person is applying the substance to you
Second roll is what substance is being applied
Third roll is to what body part
Fourth roll is who licks it off after
Throw in some hot chicks and alcohol, and you've got yourself an epic night.
Pete - Yeah, but it was an epic game of Hunkzah!