Define On 12 Meaning

On 12
A standard scale from 1 to 10 used to judge how hyper, loud, or energetic someone is. When out with friends for the night, and someone is being exceptionally loud and annoying, they are "on 12".

Lucy: Is Maria coming out?
Mike: Yeah but that bitch is on 12 tonight!
By Lilith
12/12/12
A day that is significantly luckier than 11/11/11 that everyone should expect to make their biggest wish on.

12/12/12 is much more lucky than 11/11/11!
By Marje
12/12/12
The date that comes after 12/11/12. Has no real significance in the way we live our lives.

Person 1: Do you know what the date is!?!?
Person 2: Wednesday?
Person 1: No! It's 12/12/12
Person 2: No, I'm pretty sure it's Wednesday.
By Elene
12 In 12
Masturbating or ejaculating 12 times in 12 hours.

Dude, last night Bobby was challenged to the 12 in 12 challenge and he accepted! His dick's gonna fall off!!
By Sileas
12/12
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 Esta
12:12

Man I missed 11:11. I guess there's still 12:12
By Addie
12/12/12
This date will not come again in our life time and is very special. It is also 9 days before said end of the world so its not so lucky but if you wish hard enough it could save billions of people from sudden death

friend 1: omg its 12/12/12

friend 2: so what's so important

friend 1: this is never going to happen again

friend 2: oh okay
By Kinna
12:12

Man its 12:12...time to beat my meat and skeet skeet skeet
By Raeann
12s
12s (12er in German language) are all people, who were born at a date, where the amount of milliseconds of the current system time had 12 digits. That includes people that were born between 1973 and September 2001.

While people older than 12s usually are a bit unfamiliar with the internet, 12s are said to be the coolest people in the virtual world. The younger 13s are notorious for being cringe on the internet.

"You're a 12s? Wow, so cool, I wish I was also one of the 12s!"

"Oh cool, another 12s. I was slowly losing braincells in this mass of 13s.
By Lark
12
Slang for the police or any other law enforcement.

“Told em fuck 12, fuck SWAT...”
By Marta