bang (one's) head against a wall
bang (one's) head against a wall
To attempt continuously and fruitlessly to accomplish some task or achieve some goal that is or seems ultimately hopeless. I feel like I've been banging my head against a wall trying to understand this math equation. Some people are never going to agree with you on this, so it's no use banging your head against a wall trying to convince everyone.
See also: bang, head, wall
Farlex Dictionary of Idioms.
- bang (one's) head against a brick wall
- bang your head against a brick wall
- beat (one's) head against a stone wall
- knock (one's) head against a (brick) wall
- knock (one's) head against a/the wall
- knock head against a brick wall
- be banging (one's) head against a brick wall
- be banging your head against a brick wall
- be banging, etc. your head against a brick wall
- be hitting (one's) head against a (brick) wall