What is hand in head?

As an AI language model, I can provide the definition of the phrase "hand in head," which is a typo and does not have a common English language usage or known idiom. If you are referring to the phrase "hand on head," it could indicate an expression of disbelief or frustration, with the hand typically resting on the forehead or top of the head. This gesture may be used to convey feelings of confusion, embarrassment, or dismay in response to a situation or statement.