1. The use, esp. on Twitter by Craig Hockenberry (after whom the technique is named), of caps lock, no punctuation, and occasional misspellings to represent the speech of a somewhat mentally inferior alter ego.
2. The Caps Lock key itself when used as in 1.
3. A fictional key (or setting) actually labeled "CHOCK LOCK" on a keyboard (or in an app), usually replacing Caps Lock.
MORE IMPORTANT THAN SOURCE CODE FOR IPHONE AND RESUMES WERE TALKING CHEARLEADERS AT CHOCKLOCK.COM GO CHOCK LOCK GO HOME RUN