literally: to put in a brown bag.
most frequently in reference to alcoholic substances (ie: 40's)

also, Young Religious Unitarian Universalists brown bag their drugs, illegal/hazardous materials during the time they spend at conferences.
Dude, let's get that homeless guy to buy us some 40's and sit on the corner brown bagging 'em.

Dude, you should SO brown bag that.
by Joe Shmoe May 25, 2003
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another way of saying to rough it
if you're out camping someone asks do you wanna sleeping bag you reply nah i'll brown bag it
by FatboyCJ July 29, 2006
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Bob: So what were you up to last night?
Steve: Oh nothing much y'know, just brown bagging it.
by blahsey February 10, 2009
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when you and your fuck buddy are having an all night fuckfest and you finally hit her g-spot and the bitch shits on you from shear ecstacy. usually you will have to be in missionary or some other position that allows your satchel to be in the line of fire. basically a skid row of the balls.
damn bro, last night me and your mom were fucking so long and hard that i got the brown bag TWICE!

i finally brown bagged the noob yesterday.
by bigrayray June 28, 2006
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The act of taking a female out to lunch if you aren't that interested in her, instead of the more expensive dinner date.
John: Mary has been calling me all week.
Bill: Might as well brown bag a bitch.

My welfare check didn't come in so i had to settle for brown bagging a bitch.
by CaddyDan May 3, 2009
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A slang term for a hangover.

Originates from the brown bag that alcohol is placed in at liquor stores and the tendency to attribute a hangover to some sort of illness.
"Joe called in sick this morning"

"Man that fucker isn't sick he just has a case of brown bag flu"
by ACRanger April 26, 2010
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