drum (something) into (someone's) head(redirected from drum into his head)
drum (something) into (someone's) head
To educate someone of something through intense and frequent repetition. The teacher tried drumming the material into their heads before the statewide exam, but he was still concerned they weren't getting it. You never listen to what I'm telling you! Do I have to drum it into your head, or what?
drum something into someoneand drum something into someone's head; drum something in
Fig. to teach someone something intensely. Her mother had drummed good manners into her. She drummed in good manners day after day.
See also: drum