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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The name given to a mans crotchal protrudence through clothing, normally more evident in people who wear tight trousers or who's surname is Papanagnou.
Check out Papanagnous lunchbox! It was bigger than last week!
by Mattuuu March 10, 2006
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A woman's genitals. Derived from 'eating out', and the act of engaging in intercourse in the middle of the day.
"I bet she's got a totally unopened lunchbox"
"Yeah man. What I wouldn't give"
by BDA12 May 21, 2012
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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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