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/
1.
to be in a bad mood for the entire day, often for no clear reason
:
•
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.