When you want to tell yo gee that you are not lying. On jah comes in clutch.

On jah has more power than no cap or lowkey.
Bro im not the imposter! On jah.
by DracoraBot February 15, 2021
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On jah means on god bc he is a god
On Jah Ryan has crabs
by Jah Nigga September 3, 2019
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Jah can be defined many ways, mostly the figure of god in the Rastafarian religious culture.

Also it is a shortened way of saying the name of popular (now deceased) rapper XXXTENTACION. (Real name Jahseh Onfroy.)
Also used in sentences like, "On JAH"
"Damn, cuz! That nigga trippin!" "On Jah!"
"Jah Children must unite!"

-Bob Marley
by BEXERGRAFF June 12, 2019
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A low-level job, i.e., job without the bucks = jah.
Person 1: I can't get by with no money at all.
Person 2: You need a jah!
by cool_st_elizabeth January 2, 2006
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1. The word "Yeah" except shorter.
2. A saying used commonly in the songs of Tech N9ne.
That was pretty cool man.
"Jah"
by Abattoir May 2, 2005
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