a mile a minute

a mile a minute

very quickly Mike was very excited and talking a mile a minute.
Etymology: the speed of going a mile in a minute, or 60 miles an hour, at one time was considered extremely fast
See also: mile, minute

a mile a minute

  (American & Australian)
very quickly Mike was very excited and talking a mile a minute. My heart beat a mile a minute waiting for his plane to land.
See also: mile, minute
References in classic literature ?
I could feel Jerry's chances going back a mile a minute.