Annoyed At: Empty K-Cups By JWMedia in Curmudgeon Files February 27, 2014 It annoys me when… How long has that K-Cup been sitting there? People leave used K-Cups in the Keurig. There’s no telling how long that old K-Cup has been sitting there, gunking up the works. How hard is it to remove your K-Cup after you’ve brewed your coffee? Come on! Tags: coffee, lunchroom etiquette