jewish standard time (JST) 

Being 15 minutes late to everything.

Hey Dick head,you are late! Are you running JST or sumthing

jewish standard time (JST) by Zack Taylor June 28, 2004

Jewish Standard time (JST) 

Being late to an important event.
also known as Colored People Time

'Dude he was supposed to be hear an hour ago'
"Yeah, hes running on Jewish Standard Time (JST)(CPT)"

Jewish Standard time (JST) by PoPoPolski February 4, 2010