sober up
verb1
To become sober; to cause to become sober (usually in terms of alcohol or drugs; sometimes figuratively).
- She's in no state to go home by herself, so make sure she doesn't drink anything else, and she'll soon sober up.
- A pot of black coffee ought to sober him up.
1 more example
- When the irrational exuberance finally ended and the central bank took away the punch bowl, the business world belatedly sobered up.