The pathetic excuse tumblr used to justify the excruciatingly long period of time the site was down on 6-7/12/2010.
Commonly recognised in the phrase: "We're working quickly to recover from an issue in one of our database clusters. We're incredibly sorry for the inconvenience."
1: "How's you day been?"
1: "Why refreshing? Did you go for a swim? Have a shower? Sit under a waterfall?"
2: "No, I sat inside refreshing TUMBLR ALL DAY BECAUSE OF THE FCUKING DATABASE CLUSTERS"