Java Slut Share definition Flag One who spends a copious amount of time at various coffee shops. person 1: Where is Kelly? person 2: It's llpm and she's still at starbucks. She's such a java slut. Java Slut by Nish_NYC May 3, 2008 0 0 Get merch Get the Java Slut mug. Buy Now — $32.95 See more merch