Meaning of the word "get up on the wrong side of the bed" in English

What does "get up on the wrong side of the bed" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

get up on the wrong side of the bed

US /ɡɛt ʌp ɑn ðə rɔŋ saɪd əv ðə bɛd/
UK /ɡɛt ʌp ɑn ðə rɔŋ saɪd əv ðə bɛd/
"get up on the wrong side of the bed" picture

Idiom

1.

to be in a bad mood for the entire day, often for no clear reason

Example:
My boss must have gotten up on the wrong side of the bed today; he's been yelling at everyone.
Don't mind him, he just got up on the wrong side of the bed.
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