enter somebody's head
enter (one's) head
To be thought of by one. Take time to form your response to the interviewer—don't just blurt out the first thing that enters your head.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
enter somebody’s ˈheadbe thought of by somebody; occur to somebody: It never even entered my head that we might not win.
Farlex Partner Idioms Dictionary © Farlex 2017