A group of kid's from a small town who know they down. also stands for kids who smoke tree's and it is "tsk" backward's and they are there rival's.
I BANG WITH KST!
by lowlow55 May 04, 2009
1 more definition
Keep your Shit Together
Dude you're so drunk, you definitely need to KST it!
by KST LADIES 05 February 15, 2006