Top Definition
Yudansha Kobujitsu Karate-doh Federation

An international organisation in the martial arts world. It contains a number of schools teaching a number of styles, including Karate, Ju-jitsu and Kung Fu.

The YKK translates to "black belt ancient martial arts empty handed way".
Saiko Ron Yamanaka is the founder of the YKKF.
by Someone else March 23, 2005

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