Top Definition
The lighting schedule for growing marijuana indoors. 12 hours of sunlight/12 hours of complete/uninterupted darkness.
Just finished the veg cycle, now its time to change from 16/8 to 12/12 in order to determine the sex of my plant.
dari amp9041 Minggu, 01 Januari 2006
What seems like a good day, 12/12 is about any day that is the turning point of someone's life, but not in a good way. It normally involves a loss in a lot of valuable items that may not cost a whole lot, but to the individual, priceless.
Jack lost all his weed on 12/12
dari Jack Lay Kamis, 21 Desember 2006

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