There's really not much to it...
The more silly and banal the conversation the better. Taking the rise out of each other a must, but no abuse to anyone, we don't want things turning distinctly un-jolly!
Yellow cards can be freely handed out - struggling to blow the froth of of a beer being a definite yellow, a non-attempt at a "down-in-one" a borderline red.
Failing to follow the chairman's rules at any time a straight red, and early forfeit.
