Facepalmery
When you press your hand to your face because you just did something so bad it makes you want to scream.
He tried to fix his car by throwing a banana in the engine. Facepalmery was just the start.
She told her boss she was sick, then went to a concert. Facepalmery was inevitable.
He tried to eat a whole pizza in one bite and got stuck. Facepalmery was just the aftermath.