brown bag

bag of bones

A skinny, malnourished person or animal.

bag of tricks

A set of skills, techniques, items of information, or other resources used to help achieve professional or personal goals.

brown bread

Dead.

brown noser

One who brownnoses (flatters or humors somebody in an obsequious manner for personal gain); one who sucks up; a bootlicker, dickrider, ass-kisser, sycophant.

brown power

The production of electricity made from conventional sources, such as coal, oil, natural gas and nuclear power.

brown study

A melancholy mood accompanied by deep thought; a moody daydream.

brown thumb

A lack of skill at growing plants; a poor gardening skill.

give someone the bag

To disappoint (someone).