The Blow

The person palms the head or the forehead.

Meaning

Realization
The person notices a mistake or realizes that he/she forgot something.
Oh no what have I done.

Explanation

The gesture often occurs with honest people. The slight blow to the head is like a symbolic self-punishment. The blow shall re-establish order. A blow to the back of the head or very vigorous rubbing shows that the incident bothers the person.

Categories

face