Posted by Gary Martin on March 23, 1998
In Reply to: As keen as mustard posted by Kylie Crouch on February 04, 1998
: Does anybody know of the source for the saying "As keen as mustard"? Is it derived from the mustard brand name Keen or was the saying created first? Thanks.
There was an English company called Keen that made mustard.
The phrase has been around since the 17th century though.
See also 'As keen as mustard' - meaning and origin.