Verb, as in "to lunch out". Transitive: to neglect, lose, forget about or fail to do. Intransitive: to be neglectful, lazy, forgetful, probably due to being stoned or drunk. See also noun, "lunchout".
Transitive: "I totally lunched out my dentist's appointment/girlfriend/fags".

Intransitive: "He spent the day lunching out on the sofa."
by Ruby2Good October 29, 2002
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Any extreme of emotion; losing your cool in any way; being extremely silly or weird.
"HOW COULD THIS HAPPEN TO ME!!!"
Dude, stop lunchin, it's gonna be cool.

*uninhibited giggling nonstop*
Hahaha, you're totally lunching.

"Maybe we should try to write this report in pizza sauce!"
Yeah, no, dude, stop lunchin out and get to work.
by HouzeHead March 1, 2007
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A phrase originating in the Washington Metropolitan area (DC) meaning to:

1) Freak out
2) Be sporadic
3) Be generally incoherent

Originally used by pot smokers of the DC area in order to mark someone who matched one or more of the above definitions.
1) Sh*t man, those sketchy cops are making me lunch

2) Yo, Melei just started lunchin' to "Thriller"

3)
Jose: Yo quiero Taco Bell
John: Don't worry Matt, he's just lunchin'.
by RAWR Thesaurus August 5, 2007
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To relax comfortably i.e. "I was lunched up" or Nah man, im just lunching"

Also used to describe failure "Did john pay you that Fiver?"
"Nah man, he lunched it"

Also can be used to describe someone (usually a cainer) who fails at a lot of things. "Did you get that job?"
"Nah man, I lunched it"
Or maybe in sport.....
Ha man you lunched that last shot!"
by Marma D August 29, 2003
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Lunch can also be used as an adjective. The definition is similar to the meaning of "cool" or, as in the olden days, "hip."
Man...that movie was "lunch".
by Anonymous December 3, 2002
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Tight, cool, awesome. Used as an adjective. Started by a DJ on 93.5 the Beach.
"That's lunch, yo."

"Those rims are lunch!"
by ItsLunchtime February 21, 2010
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a complete anus (male or female)
f*** off you "lunch"
by Ems August 5, 2003
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