2.NounA short presentation or seminar on a given subject, especially one given at lunchtime.
"Did you attend the brown bag Tuesday on healthy exercise habits?"
3.VerbTo carry one's packed lunch from home, either literally or figuratively in a brown paper bag or a lunchbox, rather than purchase it from a cafeteria or restaurant.
"I'm brown bagging it again this month because the combination of healthy plus inexpensive is hard to beat otherwise."
4.VerbTo consume alcohol in public from the bottle or can, while it is held concealed inside a brown paper bag, so as to avoid attention e.g. from the police.
"I'm brown bagging it again today because I haven't managed to kick this habit yet."
5.VerbTo plant seed saved from one's own harvest, as opposed to buying new seed from a seed company.
"I'm brown bagging it again this year because I don't need to be spending money on expensive hybrids."