1. v. to fuck up in a Lunchbox manner.
2. adj. fucked up; ruined

A term used to reference cannabis/marijuana/weed.

Past-tense of the word lunch. See that definition for a good idea of what lunched is. It means to do something stupid, or to mess something up. It originated from the stoner-culture, and used to be associated with being high or burnt. But that is not always the case anymore. Go read the definition for lunch if you still don't understand.

You also hear, "lunched out". Same thing, just a different way to say it.

Definitely regional, I've only heard the word used in DC when I lived there, and we said it ALL the time! Since moving from there, no one I've met has ever heard of it.

verb, The act of putting a thing or being "out to lunch." To wipe out or ruin something, to be put out of commission, either accidentally or deliberately. To eat one's lunch. Originally a North San Diego county surfing term that has spread to wider use.

(v) past tense of to lunch meaning to beat someone up

Lunched means to be excluded or not allowed somewhere with the people your with at the time. Or your mates lying to make you not want to go someware.

When a lunch date, acquaintance, or co-worker brings or orders a lunch that is judged to be of vastly different quality than ones own.