He says silly things when he is in his cups.
in one's cups
idiomDrunk; in the act of consuming alcohol liberally.
The politician became quite loud and started making strange promises while he was in his cups at the party.
The old sailor, usually a man of few words, became uncharacteristically sentimental and prone to rambling tales when he was in his cups.
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abound in one's own sense
To follow one’s own inclinations and opinions.
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ace up one's sleeve
A surprise advantage of which others are not aware.
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act one's age
To behave in a manner appropriate to one's age.
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act one's age, not one's shoe size
Synonym of act one's age (“to behave in a mature manner; to avoid being childish”).
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afraid of one's own shadow
Exceptionally timid.
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air one's dirty laundry in public
To reveal one's sordid secrets to the public.
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air one's dirty linen in public
Synonym of air one's dirty laundry in public.
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albatross around one's neck
A characteristic, possession, associate, or previous deed that hinders one's ability to succeed.
Last updated July 12, 2026