Banj is another term for weed or most things weed related.
“Let’s go smoke a J.” would be “Let’s go banj.”
“Pass the weed.” would be “Pass the banj.”
“I’m really high.” —> “I’m really banj’d.”
“We’re smoking weed.” —> “We’re banjing.”
“Do you smoke weed?” -> “Do you banj?”
Verb or adjective. "To banj something up"; "The Banj-button". Used to describe a situation where an unfortunate or idiotic course of action has been followed. See also TERRENCING.
"You've hit the Banj-button on that one!"
"Will you stop Banjing about??"