Top Definition
The act of inserting a live fish or many small fish into someones asshole.
Me: Hey Hideki what the fuck are you doing with my goldfish?

Hideki: I'm practicing the ancient art of Japanese Fish ass.

"Hideki san like to practice ancient art of Japanese fish ass"
#japanese #japan #japaneseassfish #familyguy #japanese ass fish #japanese fish ass #family guy
by omgwtfbbw May 10, 2010
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