She was a brash young woman, and it got her noticed by management. The staid board of the exclusive club resented the appearance of this brash new member. The marketing team hit upon a novel idea, and they rode this brash new concept all the way to the bank. As we look at its definition, brash is bold, but edgy or even offensive. It's lacking in tact or a sense of shame. But you probably knew that. Good for you.