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1.
The act of suddenly and quietly leaving a group of friends after smoking weed and getting too high.

Similar to the Irish Goodbye, but derives from a sense of paranoia and feeling uncomfortable in the current environment rather than being too drunk.
"Sorry I pulled a Jamaican Farewell last night, those herbs made me paranoid."

"I couldn't handle when your Dad came outside and talked to us. I had no choice but to Jamaican Farewell."

Cheech: "What happened to you last night Chong?"

Chong: "Man, I had to pull a Jamaican Farewell man. That weed got me too stoned."
by MikeyC1717 September 27, 2012