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1.
The rasta way of using the word creation. The letter i is used to refer to god, and all people. In rasta culture i is used to denote god, you, me, and everyone or i, i, i, and i.
Zion is a state of mind, its iration comes from i.
by Samira Fooska December 31, 2008
 
2.
The most amazing band ever. They make really good reggae music. They are not that popular but their fans are true. The album Time Bomb is sick. Check out their songs like Summer Nights, Time Bomb, Falling, Let Me Inside, No Letter etc.
Dude, did you hear the new song by Iration?

Yeah man i got totally high to it.
by lovemusiclife. July 14, 2011
 
3.
pron.(i-rai-tion)a)The Rastafarian state of mind, from which, one is absent of the world, but within the self;only to be achieved by inhaling holy smoke.

Ex.
Snoop Dog:"The blunt smells so good, that I cant wait to feel the iration! Foshizzle? My nizzle?"

"The iration I got from those special brownies was intense!"
by Rastafarian559 February 11, 2009
 
4.
the act of being irate, or when something undeniably makes you upset or angry.
"aaron, did you hate that test or WHAT? it was pure iration."
"yeah, sean, i'm so mad! IRATION!"
by ABIGAILLLL May 28, 2008