The courageous act of masturbating 12 times in a day starting at either midnight or noon and finishing before 12:00 PM or 12:00 AM.
Bro, I did the 12 before 12 challenge last night!
You beat your meat 12 times before midnight?! Gnarly!!
by FeedTheTrolls July 31, 2018
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The 12th of December 2012; everyone thought they'd die and the world would end
Omg it's 12/12/12 we're all gonna dieeeeee
by 5soschickenlicken February 4, 2017
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MDMA was first synthesized in "1912". It was patented in Germany by the Merck Company in 1914. At that time it was not the subject of human research.

Merck stumbled across MDMA when they tried to synthesize Hydrastinin, a vasoconstrictive and styptic medicine.

MDMA was an unplanned by-product of this synthesis. As usual, the process of its synthesis was patented.


so out of 1912 you get 9/12= roll day.

the day you celebrate and
roll till you drop (;
those you love it enjoy the day.
by herbal bliss April 21, 2009
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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.
by amp9041 January 2, 2006
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