The phrase "face palm" is used to describe a gesture where someone slaps their own forehead with the palm of their hand. It's often done out of embarrassment, frustration, or disbelief in response to a silly or foolish mistake someone has made.
Sentences with «face palm»
I won't admit how many times I've worn them since I got them about a week ago (insert face palm). (aleciamariana.com)
Standing with your feet hip's distance apart and a dumbbell in each hand, face your palms toward the side of your body. (findperfectdiet.com)
Pick your barbell from the floor by facing your palms away from the body. (fitnesshealthzone.com)