Top definition
N.: The sexual act of self mutulating one's scrotum by cutting off the ears of a dog and stapling them to the scrotum, thus making what looks like the tail of Japanese gold fish. (Or Coy Fish)
Guy:"Wanna see my rare fish from japan?" Girl:"Ok." Drops pants Girl"Oh my!" Guy: "it's a Japanese Goldfish!"
by That_guy_in_the_box February 13, 2011