Top Definition
1.(n) secret art of martial arts only known to jay brown and his secret clan of ninjas.

"Only when you find the tablet of truth, will you master the secret art of jay-jit-su"

"I used my jay-jit-su skills to defeat the killer clowns of drumpoint"
by o0ohalloweeno0o April 14, 2008
9 Words related to jay-jit-su

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