sober up
US /ˈsoʊbər ʌp/
UK /ˈsoʊbər ʌp/
1.
to become sober after drinking alcohol, or to make someone sober
:
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He needs to sober up before he drives home.
•
The police made him sober up at the station.
2.
to become more serious or realistic in attitude
:
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The bad news made him sober up quickly.
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It's time to sober up and face the facts.