Play on french "cause celebre", which means an issue arousing widespread controversy. "Coz Celeb" is the controversy surrounding Bill Cosby's recent public derision of black youths in today's culture.
"These glades are so sick today..pass that joint"
"Yea we are finding it in here...sucks though, I really need to shit"
"Dude...just drop a Frosty Coz"
"I think I will...can you look out for me"
"Sure brah"