Facepalmery
The moment you put your hand to your face because you just did something so dumb it makes your face look like it’s on fire.
He tried to flirt with the teacher and got detention. Facepalmery was just the beginning.
She tried to cook and set the house on fire. Facepalmery was just the middle of the chaos.
He tried to impress his friends by doing a backflip off a chair and landed on his head. Facepalmery was the final blow.