get through thick skull

(redirected from get something into someone's thick head)

get something through someone's thick skull

 and get something into someone's thick head
Fig. to manage to get someone, including oneself, to understand something. He can't seem to get it through his thick skull that he has to study to pass the exam. If I could get this into my thick head once, I'd remember it.
See also: get, skull, thick, through