Ever wonder what a specific word or phrase means? Some examples come to mind, such as to "kick the bucket" or putting the "kibosh" on something. Check out this site for the answers.
Hmm...after yesterday's Jurassic Park mystery solved and now this tidbit, maybe I should change the tag line of this site: (loud booming announcer voice) "The Revision Bar - explaining the mysteries of the universe, one blog post at a time".
OK, maybe not.