1. assign blame or accuse someone/something
quick to point the finger at
To point the finger at someone means to accuse them of responsibility for something that has happened or to put the blame on them. "Don't point the finger at me! I said this was a bad idea from the beginning." "I don't like to point fingers but there is one department whos productivity is far behind everyone else." This is an idiom used in both social and professional contexts.