wipe that/the smile/smirk/grin off someone's face

wipe that/the smile/smirk/grin off someone's face

informal : to stop smiling or to make someone stop smiling or feeling happy

She couldn't wipe the smile off her face. [=she couldn't stop smiling]

He thinks he's won, but if I get my hands on him, I'll wipe that smile off his face!

— often used to tell someone in an angry way to stop smiling

Wipe that smile off your face! This isn't a joke!

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Main Entry: ↑wipe