A bag of weed comprised of dope from the ends of several previously smoked joints. Same as roach weed but called dope because of what part of the city you grew up in.
Negro pass me that bag of roach dope. I'm finnin to get stoned.
1) Someone who scrounges the dirty floor for meth droppings like a cockroach does for food.
Look at this dope roach carpet surfing for some meth i dropped..