japanese diarrhea 

When a Japanese person gets diarrhea. This is usually caused when eating too much food in Japan or which they are usually spicy or salty.

Other names include:
Ramen effect
Nagasaki fever
Teriyaki tummy disorder
Wasabi whoosh
or simply, jiarrhea.

Our Japanese friend has got another case of ramen effect, or Japanese diarrhea.

japanese diarrhea by My supplies from Slovakia June 13, 2018

Japanese Diarrhea

The kind of shit that happens the morning after you eat an entire Tornado Roll and half a Catamount Roll and the ginger and wasabi that comes with it.

"I thought you were leaving your house at 9."
"Sorry, The Japanese Diarrhea got me."

Japanese Diarrhea by The Picklefather February 22, 2026