Bum Bum Waterfall

An alcoholic beverage which has achieved some level of notariety on cape cod. The drink contains one part vodka and two parts prune juice.

Waiter: can I start you off with something to drink?

Matt: 2 bum bum waterfalls, a cup of ice, and the largest trash bag you find, and hurry up, we're trying to get off vape before the morning rush; what're you having Andrew?

Andrew: please don't get that for him.