Herbin Legend

1. (n) a fact or story about marijuana cultivation with little or no supporting evidence that spreads spontaneously via various forms of communication. Normally but not always false.

Arnold: I heard you should give your plants 12 to 48 hours of darkness before you harvest.
Beanbag: No man that's a herbin legend. Harvest right before the lights go off to get one more day of resin production.