to be extremely drunk or high, but at the same time, enjoyable.
Also used as a verb to "shmack", or as an adverb as in "shmacking."
"this video shows others in their words, getting "shmacked""
"i'm obviously shmacked as hell right now"
"walt thank you very much, more on shmacking, later"
"to commerate being shmacked the creators of the video are now selling T-shirts."
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 Softwaretwice. 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!