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An exercise routine that is done every day. The phrase originally referred to 12 specific exercises but is often used more broadly. I always feel better after I do my daily dozen, thanks to the endorphins.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
Fig. physical exercises done every day. My brother always feels better after his daily dozen. She would rather do a daily dozen than go on a diet.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
Physical exercise, as in Helen walks two miles every morning-that's her daily dozen. This term originally referred to a set of twelve specific calisthenic exercises to be performed every day. They were devised by a famous Yale University football coach, Walter Camp (1859-1925), and came into general use in the early 1900s. Despite the physical fitness craze of the late 1900s, these exercises and their name are no longer taken literally, but the term survives in a very general way.
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
n. a short set of daily exercises. I need to do my daily dozen before breakfast.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.