This green, slightly glowing liquid, generally associated with the presence of Snickerer, is generally considered a special Joker drink and rumored to in fact consist of liquid Improbability.
The flavor of every glass appears to be different, and seems to range from the mundane to the truly odd.
It also rarely has Improbable effects on the drinker, an event that seems slightly more likely for non-Jokers.
Despite the occasional assumption, it is in fact generally not alcoholic. 1)