When someone believes they are sneaky but in fact are not and they are being an idiot about it.
by RedPanda11 January 11, 2019
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what someone has when they are obsessed with ninjas and everything they say has to do with ninjas
Guy: ha ha ha ha ha ha ha
ME: It's the laughter ninjas kicking you in the face
Guy: dude you have a serious case of ninjitous
by CarbonTheory June 11, 2009
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