: to force (something) to be learned by (someone) by repeating it over and over again Our teacher drummed the lesson into our heads. The importance of saying "please" and "thank you" was drummed into us as children.

What does drum in mean?

To teach something (to someone) through repetition. A noun or pronoun can be used between "drill" and "in." The teacher tried drumming in the material before the state exams, but he was still concerned that the students weren't getting it.

What does it mean to drum someone?

From Longman Dictionary of Contemporary Englishdrum something into somebody phrasal verbTELL/ORDER somebody TO DO somethingto keep telling someone something until they cannot forget it 'Don't talk to strangers' is a message drummed into children.