Marijuana. When the word "Tron" became too obvious, the letters TR and ON were expanded into a given name chosen at random. To maintain the codeword, Travor is refered to as a person, not a thing. Sometimes referred to as "Trev."
"We're seeing Trevor O'Neill today."
"Ahh, cool, can I come? I wanna see how Trevor O'Neill is. It's been a while."
"He's really good right now, actually."
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