have a case of the blues

have a case of the blues

To experience a mild or temporary state of sadness or melancholy. I don't know what's got me so down. I've just had a case of the blues since I woke up. Look, depression doesn't just mean you have a case of the blues from time to time. It's a serious, long-term condition that requires professional treatment. I always have a case of the blues on Sundays. I guess it must be because the weekend is almost over.

See also: blues, case, have, of

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