A branch of Jiu Jitsu, a martial art that focuses on self defense using grappling and ground fighting, where the practitioners employ the use of their own fecal matter to enhance the effectiveness of their submission techniques.
Student 1: "That guy Tony is a 3rd degree black belt in Poo Jitsu."
Student 2: "I heard that once he almost killed some dude, who refused to submit, using an ass-triangle lock!"
Student 1: "Yeah, if you get in the cage with him, things can go from good to shitty in a matter of seconds."
Student 2: "I heard that once he almost killed some dude, who refused to submit, using an ass-triangle lock!"
Student 1: "Yeah, if you get in the cage with him, things can go from good to shitty in a matter of seconds."
by Baron Marx August 21, 2013
by burning log July 27, 2009