"Is that made out of genuine plastic?" his excited trainee asked.
"Indeed, humans used petrochemicals in nearly everything until they abandoned their poisoned planet."
Using his barbed proboscis, he pierced the bladder, inhaling as it deflated. "Ah, vintage 21st Century air, a delicate balance of ozone with smoky hydrocarbon overtones," he said.
"Take a hit; it's some good shit," he said, winking his mid-eye.