"a:"dude you gonna hit up the brick of painnn later on tonight?"  b:"oh hell yeah, i got the brick of pain up in my trunk""
a thick block of glass, when cocaine is placed on top and a black light shined upon it, the glass appears different colors depending on the quality of the cocaine
""a:"dude you gonna hit up the brick of painnn later on tonight?"  b:"oh hell yeah, i got the brick of pain up in my trunk""" What is the definition of "brick of pain"?