face-palm

verb \ ˈfās-ˌpä(l)m , -ˌpȯ(l)m \

variants: or less commonly facepalm

Definition of face-palm

face-palmed also facepalmed; face-palming also facepalming; face-palms also facepalms

: to cover one's face with the hand as an expression of embarrassment, dismay, or exasperation

But her body language was not good from the start on Saturday. She face-palmed after missing one forehand early, then shook her head after another errant shot.
—Jeff Hartsell

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or less commonly face-palm noun

- There's a kind of facepalm moment in the terrific pilot episode of Amazon's terrific new series Transparent when you realize that the title is a pun.
- —Phil Maciak