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the stereotypical asian fags who can't speak properly and like to throw together random words to make sentences. also commonly seen to be listening to gay bands like Bullet for My Valentine and bagging out awesome bands such as Muse. esl.
sejon - "It the dude no u! what? yah dude!"

kyle - "what did he say?"

campbell - "i dont know man, that dudes a total sejon"
by mrfri June 29, 2009
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a pink power ranger who cant fight so all he does is cheer the others on.
He is such a sejon.

Your sister is a total sejon

So i was like totally, thn he was all like u are such a sejon. OMG!!!!
by sdddnvl January 07, 2013
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