Predicting what happens in sports against your friends. Winner gets a reward. Loser gets a consequence
Bro 1: Bro, why is he paying for your drinks all night?
Bro 2: Because I destroyed him lunchboxing.

Guy: Why did you shave off your eyebrows?

Girl: Lost at lunchboxing. Couldn't hit a shot to save my life.
by sports_R_fun July 16, 2022
Get the lunchboxing mug.
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
Get the lunchboxing mug.
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
Get the lunchboxing mug.
a immature high school boy act in which an innocent student has their backpacked emptied, flipped inside out and has their belongings placed back into the backpack zipped up like a lunchbox. People are often seen walking out of the classroom holding their lunchboxed backpack because there is no way to hold it.
ex: Jimmy and Connor were seen lunchboxing the class clowns backpack during science
by #averagehighschoolkid February 10, 2012
Get the lunchboxing mug.
when someone above the age of 18 ingages or attempts to carry out any type of physical relationship with someone below the age of 18.

Kenny is LUNCHBOXING on a 15 year old
by lunchboxXx1313 April 9, 2009
Get the lunchboxing mug.
Formed from the word lunchin. A lunchbox is a clueless high kid, who acts stupid, and lacks common sense; usually perjorative in nature.
That kid is such a lunchbox!
by Kat November 20, 2004
Get the lunchbox mug.