A fork of Rural Dictionary
Someone who frequents Starbucks so often, they know drink specials and even have memorized prices and special orders. They might forget a close friend's birthday, but they know when PSL comes out. (And if you know what PSL means).
"Holy Crap, here come Brittany! Make sure her double half-caff frappucino with extra whip, and caramel sauce is ready" "I see her! God, she is SUCH a STARBUCKS SLUT"