When a joke is so funny that, when used years from now, it is still hilarious.
The system typically consists of:
Bronze-Your joke Stinks
Silver-Pretty good joke, but only receives a mere chuckle
Gold-Great joke, but will not be remembered for very long
Platinum-The joke lives on forever
Jamie: Hey Randy, that joke I told about you was PLATINUM!
Josh:Yup, even though most of your jokes are bronze.