get into someone's head

get into (one's) head

1. To begin to understand how one thinks. You need to get into the criminal's way in order to find a way to stop him.
2. To intentionally disrupt or undermine one's focus, confidence, or performance. The opposing coach called a time out at the last second to try to get into the kicker's head.
See also: get, head

get into someone's head

If you get into someone's head, you understand what they are really thinking or feeling. The author has really tried to get into the heads of these criminals.
See also: get, head