Another name for the Bitlocker whole-disk encryption software provided with Windows, especially when it's not working correctly and you don't have the recovery password.
Idiot: "I forgot my password, can you unlock my computer?" Technician: "No, it's got shitlocker on it you idiot"
to have developed a product and just started shipping it, only to have Apple come along and provide exactly the same functionality in a system update. It happened to Karelia Software twice. Once with Sherlock and again with iWeb.
I'll bet the Pro HDR folks groaned and got drunk after the Apple event yesterday where they showed the HDR functionality built in to the OS. They got Sherlocked!