brown bagging

noun

1

: the practice of carrying one's lunch (as to school or work) usually in a brown paper bag

2

: the practice of carrying a bottle of liquor into a restaurant or club where setups are available

brown-bag

ˈbrau̇n-ˌbag 

verb or adjective

brown bagger noun

Word History

First Known Use

1959, in the meaning defined at sense 1