An STI that slowly overtakes all brain function and at the same tame amplifies many specific brain waves. These brain waves increase hand eye coordination, motor function, reaction time, and overall lethality. Through lab testing this dreaded infection has proven to leave the afflicted with an overwhelming desire to hide in shadows while wearing all black. The disease was named "ninjitis" because in extreme cases the afflicted have been left with an additional need of seeking training and becoming a full ninja.
by blizzard55555 July 30, 2009
Get the ninjitis mug.A viral infection transmitted by Ninjas and Ninjinas. Unknown in origin, this mysterious disease will be around just as long as those damn lazy ninjas
that ninja snuffed my duff now i have to get two shots in my throat every day to keep my ninjitis at bay
by bob hastills October 10, 2005
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The ultimate and unheard of combat style that combines the power, skill and drunkenness of the pirates with the silent, deadly assassination skills of the ninja.
''have you heard of Shadow Pirate Ninjitsu?'' ''No, no one has, but it sounds awesome!''- Conversation overheard before both where quickly silenced.
by skyhunter70 December 17, 2011
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