Get cracking

Posted by Victoria S Dennis on April 20, 2009 at 18:01

In Reply to: Get cracking posted by Susanne on April 20, 2009 at 08:20:

: What is being cracked in get cracking ... corn?

One of the meanings of "to crack", is "to move briskly", especially in "to crack on". So to "get cracking" is "to start moving fast". (VSD)