overweight and/or very FAT person who is grimmy, loves to eat his and your food, is always hungry and thinks he is cool as bananas. Also likes to drive sport cars and likes to follow other ppl, very undependable.
by Jayson Patrick September 25, 2005

Someone whose brain is like a metal box with an apple core, a Flinstones vitamin (Barney), and a couple potato chips clanging around in it. And that's all.
Megan probably won't remember she's supposed to meet us here even though I reminded her her four times. What a lunchbox.
by ssarrrrah September 28, 2010

When you defecate into a woman's vagina and she holds it in her until you get to your picnic site to feed to you.
Sally's lunchbox was overflowing
by Kingof7676 June 26, 2017

When you or your co-workers eat lunch in the same room and stink-up the place with your smelly food.
It's 12:30 and the I.T. department door is closed. They must be lunchboxing their office again because I can smell that food from down the hall.
by pallywauly_EF August 11, 2014

1) A box to keep food, especially a lunch. Often found at schools, picnics and such.
2) Someone fat who looooves to eat, such as Silent Bob from such films as "Jay and Silent Bob strike back"
2) Someone fat who looooves to eat, such as Silent Bob from such films as "Jay and Silent Bob strike back"
by Snoogans December 28, 2005

"My wife loves to say she is packing my lunchbox , when she is actually stuffing her vagina with fruit."
by IFGODWASONEOFUS February 1, 2015

by g-roge April 15, 2006
