by the thousand

by the thousand

In huge quantities, presumably numbering several thousand. When the potato famine hit Ireland, the Irish began emigrating by the thousand.
See also: thousand
References in classic literature ?
He sang it in a still, small voice, but, line after line, his song was caught up by the thousands who stood on the slopes above, and thundered to the heavens till the mountains shook with its sound.
The address, sponsored by the Thousand Oaks/Conejo Valley Chamber of Commerce, will be given at the Thousand Oaks Inn.
The Conejo Valley Oral History Project is being sponsored by the Thousand Oaks Library Foundation.