wipe the smile off someone's face
US /waɪp ðə smaɪl ɔf ˈsʌm.wʌnz feɪs/
UK /waɪp ðə smaɪl ɔf ˈsʌm.wʌnz feɪs/
1.
to make someone stop feeling happy or confident, often by doing something unpleasant or by revealing an unpleasant truth
:
•
Winning the championship will really wipe the smile off their face.
•
The bad news quickly wiped the smile off her face.