Top Definition
After consuming multiple shots of Jack, you being speaking a language that is unintelligible, aka Jackanese.
He was so trashed on JD, I couldn't understand a word he said. Dude was speaking Jackanese.
by _Murray_ May 28, 2012
1 more definition
The language Jack speaks when he has no idea what to say.
Jack is speaking Jackanese again. whats he saying??

JACK- 'aba pup? gala dum! baba dalmaUMPA'
by rachspeech May 09, 2013

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