Personalized Martial Arts Eat Sleep Ju Jitsu Repeat Youth T-Shirt. Funny Ju-jitsu quote for a martial artist says eat sleep ju jitsu repeat on this Youth T-Shirt - White Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.