If you say that you are banging your head against a brick wall or banging your head against a wall, you mean that you feel frustrated because you are not making any progress in what you are trying to do. I'd spent nearly eighteen years in show business, working my guts out, and getting nowhere. I felt as though I was banging my head against a brick wall. Many sufferers feel they are banging their heads against a wall when it comes to finding treatment. Note: Other verbs are sometimes used instead of bang. Stop fighting this thing. You're just beating your head against a wall.