Top Definition
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."
by Baron Marx August 21, 2013

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt
The hand-locks employed on the wayward or kicking legs of a toddler when changing a nappy/diaper.
"Look out!! He's kicking!! He could kick that poo!! Quick! Subdue him with poo-jitsu!!"
by burning log July 27, 2009

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt