down in the dumps
In a gloomy or depressed mood: “After losing the student election, Jack really felt down in the dumps.”
WHO SAID IT: A QUIZ ON PRESIDENTIAL WIT AND WISDOM
Words nearby down in the dumps
Idioms and Phrases with down in the dumps
Also, down in the mouth. Discouraged, depressed, or sad, as in She's been down in the dumps ever since she lost the match, or What's wrong with him? He's so down in the mouth about everything. The noun dumps has been used for “a state of depression” since the early 1500s, and down in the mouth, alluding to the downturned corners of the mouth as a sign of misery, dates from the mid-1600s.