cas is an acronym for
Cool As Shit.
(it can be pronounced as it looks w/ a 's' at the end, other accepted pronunctiations are like
caz w/ a 'z' sound at the end)
it often refers to people, events, and other items that have the possiblity for
being Cool As Shit.
being cas is a prestigious title. use it wisely.
Ex1
Bradley: "Hey man, didn't you hang out with Kelsey this weekend?"
Dustin: "I did dude! And she is
defiantly cas. I dont think there is a girl out there that cas."
Ex2
"That movie
the hangover is one cas movie. I might just go watch it again"