Some stupid cunt thought that Marines were always saying "December Five" when they were actually saying "Semper Fi" which is the Marine Corps motto for "Always Faithful" This bitch asked the question on Yahoo so now Marines say "December Five" because it took off and is rather hilarious at how stupid this bitch was.
Shortened version is 12/5.
Shortened version is 12/5.
by GruntLife July 11, 2011
12/5 is the best day ever!
by AGuyWhoHaveBigDick November 15, 2018
The numbers of the letters of the alphabet that spell the word "settle" as in "settle down". By saying this to someone, they will stop doing whatever they are doing to figure out what the numbers mean, thus settling down.
Guy 1: OH MY GOD, YOU'RE SUCH A DICK!!!!!!
Guy 2: 19-5-20-20-12-5
Guy 1: Wait, what? *starts counting*
Guy 2: 19-5-20-20-12-5
Guy 1: Wait, what? *starts counting*
by veronicalovin October 24, 2009
5-12/512 is Latin slang for oxycodone
5-12 es una tema popular q refiere a la oxicodona, un analgesico muy potente.
5-12 es una tema popular q refiere a la oxicodona, un analgesico muy potente.
by trapstar8 January 8, 2023