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.
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.
by Ivana vp March 30, 2020

Lmao bum bum is used as a response to a meaningful text a way to truly shut down the individual who is pouring their heart out for you.
Alexia: I really love you and I want you to be my boyfriend
Ahoora: lmao bum bum nigga
Alexia: Damn, if that's how you feel.
Ahoora: lmao bum bum nigga
Alexia: Damn, if that's how you feel.
by Boouty October 31, 2018

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by Cole_Gub69 February 24, 2023
