http://www.thechipboard.com/archives/archives.pl/bid/312/md/read/id/375742/sbj/question-about-drilled/
http://www.thechipboard.com/archives/archives.pl/bid/311/md/read/id/357045/sbj/how-and-why/

Neither the definition in your post nor the opinions in my links prove much. I would be interested to hear from someone who works in gaming and has for more than 20 years to hear what they say.

Michael Siskin