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A Rubidium Shake is a highly edgy and illegal drink, often containing narcotics and cheap alcohol. The target audience for this beverage was originally teenagers, but it is sometimes used by the older generations too.
"Boss? Are you drinking a Rubidium Shake?"
"NO! Wait... Am I? And also... Am I on fire? And why is that Unicorn licking Bill Gates?"
".... This is why you're not meant to drink a Rubidium Shake, Boss..."
by The Big Bastardly Boss June 28, 2018
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