1 definition by Uncanny Canary

noun.
1. someone who consumes copious amounts of coffee

2. someone with a large amount of knowledge pertaining to said caffeinated beverage (usually pretentious, has a job as a barista, and is probably a hipster)
That's your 6th shot of espresso since noon? You're such a coffee slut!

I saw her the other day at two different coffeehouses, the coffee slut!
by Uncanny Canary August 8, 2012
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