mood

• Down in the dumps

  To be feeling very sad, depressed, or unhappy.

• Cast a cloud over

  To introduce a feeling of sadness, anxiety, or negativity that spoils a previously pleasant situation or mood.

• Like a bear with a sore head

  To be in a very bad mood, easily annoyed, and irritable.

• In a funk

  To be in a state of sadness, depression, or low spirits for a period of time.