bust a chill 

to chill, the act of chilling, usually a break from doing something exciting

Hey man want to go bust a chill in the car for a bit?

bust a chill by Andrea Albert June 10, 2008

Bust a fat chill 

When you and your best friends hang out together. Often this will involve some form of relaxation and chilling.

"Dude let's bust a fat chill later tonight and make some sick beats!"
Or
"Bro, after my last class let's go bust a fat chill on CouchBed!"

Bust a fat chill by sneaky_teem January 16, 2017