fire weed
An extremely potent batch of marijuana. No specific strain is defined as "fire weed", but certain samples can be.
A: "Yo, do you have any of this Purple Kush?"
B: "Nah, dawg, that shit's old; now this Candy Kush is some fire weed!"
B: "Nah, dawg, that shit's old; now this Candy Kush is some fire weed!"