(1). To attend a conference or seminar that encourages you to bring your own food. You should think about getting on some better mailing lists or something, dude.
“So, I’m going to this talk about how to land clients tomorrow. They told everyone to brown bag it, so I guess I’m bringing my lunch. Come to think of it, they don’t seem very good at landing clients….
(1). An obviously beneficial action to be taken, often used during staff meetings by sycophantic employees (see yes man) to curry favor with a manager who just suggested the action as if it were a stroke of genius.
“Selling those children was a no brainer. What’s next on the agenda?”