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Acronym for Brazilian Jiu-Jitsu: A grappling martial art developed in Brazil based on Japanese Jiu-Jitsu. The general idea in BJJ is to first secure the best possible position on the ground, and then to choke or lock-out the joint of an opponent, forcing the opponent to submit, pass out, or suffer serious bodily harm. True to its intent, BJJ was made popular in America by an a Brazilian named Royce Gracie who, at only 175#, succeeded in submitting much larger opponents in the eary days of full-contact limited rules competition. Today, BJJ is generally recognized as the most effective form of ground-fighting. BJJ employs no striking techniques, it is practiced wearing a gi, and it employs a belt system (white, blue, purple, brown, and black). BJJ techniques are often employed to some extent by MMA competitors and by wrestlers, judo players, and other grapplers seeking to add submission techniques to their arsenal.
It's best to stomp a BJJ player as soon as possible, and don't let him grab you.
by bruce leet June 06, 2005
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A kid in my class is a water slapper
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Abbreviation of 'Brazilian Jiu-Jitsu', a style of fighting similar to Japanese Ju Jitsu, wrestling or Judo in that it focuses mainly on groundfighting.

Exploded in popularity after Royce Gracie (BJJ black belt) won the first 4 Ultimate Fighting Championships.
You're all BJJ nutriders.
by Someone else March 23, 2005
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BJJ is a homoerotic pseudo-martial arts practiced by males who only want to rub their bodies on another man's body for sexual gratification and BDSM play.

Originally from japan, it was modified by the Gracie family without acknowledging the original art. The original Judo was stripped by the Gay-cie family of it's standing attacks so that it becomes only a ground fighting art.

BJJ starts with a take down where the MMA fighter grabs his opponents leg to make him fall. Once the opponent is on the ground, they soon start rubbing their face and their body on their opponent's body resulting in an erection.

BJJ is ineffective against multiple opponents because you can only takle one opponent to the ground while the other opponents happily stomp on your head.

Also known as Blow Job Jitsuck
Bullied boy: (to Bully) I know why you want to fight me that much. Its because you want to use BJJ on me so you can rub your body against mine!
Bully: You are mistaken, I dont want to rub my body on you with BJJ, I just want to smell your crutch
by Klizfer2 November 22, 2018
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