doldrums noun plural
1 in a state of weakness or confusion as a result of drinking too much alcohol: ‘The next morning the grown ups were all in the doldrums o drink.20-.
2 the condition of being in low spirits 20-. etymology: possibly originally a Cant term for ‘A dullard; a dull, drowsy, or sluggish fellow.’ now obsolete in modern English; attested by JS, SS and BW