got up on the wrong side of bed

get up on the wrong side of (the) bed

To be in a particularly and persistently irritable, unhappy, or grouchy mood or state, especially when it is out of keeping with one's normal disposition. I'm sorry I snapped at you earlier, I think I just got up on the wrong side of the bed today. Geez, the boss has been in a really bad mood all day. I guess he must have gotten up on the wrong side of bed!
See also: bed, get, of, on, side, up, wrong
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

get up on the wrong side of bed

 and get out of the wrong side of bed
Fig. to seem grouchy on a particular day. Did you get out of the wrong side of bed this morning? You are a real grouch.
See also: bed, get, of, on, side, up, wrong
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

get up on the wrong side of bed

Be in a grouchy, irritable state, as in What's got into Max today? Did he get up on the wrong side of bed? This expression alludes to the ancient superstition that it was bad luck to put one's left foot down first, and was so used in a number of 17th-century plays. By the early 1800s it was associated more with ill humor than misfortune.
See also: bed, get, of, on, side, up, wrong
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.

got up on the wrong side of bed

In a moody, grumpy state of mind. This expression dates from ancient times, when it was believed to be extremely bad luck to put the left foot down first. Supposedly Augustus Caesar, the Roman emperor, was exceedingly superstitious about this practice. It was still regarded as a bad omen in the seventeenth century, when the expression appeared in several plays (William Congreve’s Love for Love; Ben Jonson’s Tale of a Tub; Aphra Behn’s Town-Fop: “Sure I rose the wrong way today. I have such damned ill luck”). By the nineteenth century, however, it specifically became a sign of churlishness and ill temper. “Thou art angry this morning . . . hath risen from thy wrong side, I think,” wrote Sir Walter Scott (Redgauntlet, 1824).
See also: bed, of, on, side, up, wrong
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer
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