Very simple. Low-mid buzz factor. Grab a few beers, watch old episodes of "Cheers." Everytime Norm touches his beer, you must take a gulp of your beer. Anytime he actually drinks from the beer you must pound your beer during the entire time he is drinking.
In addition to the paragaph above we'd recomend your own embellishments. To the above we would recommend a chug everytime the crowd yells "Norm!"
Each player can take one of the primary characters at their "tag." When their name is spoken, consume. Adds new meaning to the theme song, "You want to go where everybody knows your name..."