[Unfinished feature - more details will follow!]
Belletristica's chat has it's own built-in minibar. You can use it to mix yourself a drink, or, better yet, a whole tray full of drinks for everyone in the chat.
If you drink such a cocktail, it will have a visible effect on everything you write within the chat. These effects will last until you log out, or until you drink a glass of water, whichever happens first. You'll find the water in the bar, like any other drink.
All cocktails are available in unlimited supply.