by snowy black November 12, 2006


by PolloLuX December 30, 2007

International organization that began in 1996 in Fuquay-Varina, North Carolina. Members are identified by a small trinket, usually carried on their keys. Sometimes they wear specially designed apparel, which is always green and white. This organizaton represents peace. Unless, provoked.
No examples. If you know 512, you know. If you don't, then you aren't a member. maybe someday you will be.
by Momma512 May 19, 2006

by ~nAnCy~ July 30, 2005

Banging someone five times in 12 hours. Busting a nut is not required, but five separate "sessions" are mandatory.
"Dude, last night I was so horny, I went home and 512ed my woman. I think my dick is going to fall off this morning."
"What are you doing tonight?" "I'm headed out with this hot chick. If things go right, I'm gonna 512 her."
"What are you doing tonight?" "I'm headed out with this hot chick. If things go right, I'm gonna 512 her."
by Mitch Kramer June 21, 2005

by WEEBER August 27, 2005
