get out of the wrong side of (the) bed

get out of the wrong side of (the) bed

To be in a particularly and persistently irritable, unhappy, or grouchy mood, 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 out of 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 out of the wrong side of bed!
See also: bed, get, of, out, side, wrong
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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