From Fresh Dictionary
English
Verb
wake up on the wrong side of the bed
- ((idiomatic{{#if:|, {{{2}}}{{#if:|, {{{3}}}{{#if:|, {{{4}}}{{#if:|, {{{5}}}{{#if:|, {{{6}}}{{#if:|, {{{7}}}{{#if:|, {{{8}}}{{#if:|, {{{9}}}}}}}}}}}}}}}}}}})) To feel grumpy, irritable; to be easily annoyed
- He can't stop shouting at me, he must have got up on the wrong side of the bed' this morning.