A lunchboxer is a guy who brings a lunch to work with him that his wife lovingly prepared for him with his favorite foods. A lunchboxer is usually a more mature knowledgeable worker in contrast to the generation x worker who eats week old dog food out of the vending machine in the truckers lounge just so his wife can get 10 more minutes of sleep.
Old Schooler: "This sure is a good salami and swiss sandwich that my wife packed me today!"

Irish Kid: " Oh quit being such a lunchboxer and showing off. I have to eat another one of these "Paulaburgers" because they are the only items left in the machine again!"
by Petergozinya June 10, 2009
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A corporate planning technique similar to 'timeboxing' where ones work schedule or current task is bounded by a certain time frame, in this case the need to go to lunch.
PM: "Did you adjust the story points for tomorrow's scrum?"
Dev: "Sorry Bob, I was too busy with real work and then I got lunchboxed."

One dev to another: "Yeah, we'll definitely be lunchboxing Bob's request."
by smartasskicker July 9, 2011
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An kinky act in which one person lays down with celophane over their lips and the other person shits on the celophane.
John and Jen loved lunchboxing when they had to take a dump and were horny at the same time.
by Dirty O Fries June 27, 2004
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A male Bulge visible to others.
OH MY GOODNESS, daphne, look at that old man's raging Lunchbox
by Dairylea May 27, 2010
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The term Lunchbox referring to an absent minded individual or “Freudian slip” may have evolved from the phrase “Out to Lunch” or “mentally checked out” for the moment. Later, the term Lunchin was added to refer to an action, event, thing, and person (basically a noun). A Lunchbox is a person which makes you want to Facepalm! Believed to be words indigenes to the metropolitan area of DC, MD, and NOVA.

Your local pothead gets called Lunchbox often. Newly evolved term Lunchbag is a person not even good enough for the Box!
Your a LunchBox
That movie Inception was Lunchin
by CloudKiss March 15, 2011
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Anyone who is your sidekick, or just anyone you ang out with in general. Comes from Jay and Silent Bob: Strike Back.
Yo Lunchbox, come here.
by The Digerati January 10, 2005
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A term juvenile boys concocted for name-calling and teasing.

Only used during the late 80’s/early 90’s.

Limited to rural Pennsylvania high schools. In particular, Tulpehocken High School.
Boy 1 : what is Danny Brosey doing?

Boy 2: who knows, he’s such a lunchbox!!
by Trflebttr March 12, 2022
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