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
Get the 19-5-20-20-12-5mug.