get through one's head

Meanings:

• 1.

  generalliteral
  • To penetrate or reach the interior of a person's head physically.

• 2.

  generalidiomaticintransitive
  • To come to understand or accept something previously not understood, believed, or acknowledged.

• 3.

  generalidiomaticinformaltransitive
  • To cause someone to understand or accept something; to make a fact or idea clear to a person.