Meanings
From the brown paper bag traditionally used to carry one's own lunch from home.
How to pronounce "brown bag":
AU
A brown paperbag.
A short presentation or seminar on a given subject, especially one given at lunchtime.
Example: "Did you attend the brown bag Tuesday on healthy exercise habits?"
To carry one's lunch from home, as in a bag, rather than purchase it from a cafeteria or restaurant.
To 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.
To plant seed saved from one's own harvest, as opposed to buying new seed from a seed company.
Example Sentences
1
I always brown bag my lunch to save money.
2
Don't forget to brown bag some snacks for the road trip.
3
She grabbed a brown bag from the kitchen to pack some sandwiches.
4
I prefer to brown bag my coffee instead of buying it every morning.
5
He brought a brown bag full of presents to the party.