Acronym for Johnny Just Come: Nigerian slang used to reference someone who is naive or new to a situation/place.
Omo, you be jjc, you just land yankee!

That guy is a jjc, he's been here for only two dayz
by Ak Araga August 7, 2006
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Nigerian slang used to describe a foreigner - usually a Westerner - recently arrived in country and who is often unfamiliar with local customs and therefore a target for 419 or scammers
See dis JJC, he bring plenty Dollar-o
by Fixer December 8, 2007
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from a livestream in september 2019 from cowchop meaning
that radiates some JJC energy
by Jason_Y September 3, 2019
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