I do not know how to explain but try to do my best.
I want to know if there is any verb for this action.When someone specially a woman or a girl pushes her hair front of her forehead backward with moving her head or sometimes with hand.
Please be patient. Bumping your post after just one hour is not fair on others who are waiting for a response to their questions. It can even have the effect of putting off people like me who try to plod our way through the questions when we can find the time.
She flicked her hair back, either with her hand, or with a sharp movement of her head.