Jap-Scat Share definition Flag Pornography in which a Japanese woman is forced to diarrhea-blast in the air and eat a man's poop. Oh man, I saw this Jap-Scat porno on KaZaA where a guy flipped over this Japanese woman and she diarrhea-blasted in the air. Jap-Scat by Whoisthisguy February 17, 2004 0 0 Get merch Get the Jap-Scat mug. Buy Now — $32.95 See more merch