get into (one's) head(redirected from get into their 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.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
get into one's head
Also, get or take it into one's head . Form an impression, idea, or plan. For example, What strange idea has she got into her head? or He took it into his head that you want to quit. [Late 1600s] Also see get through one's head.
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012