The lower digestive tract phenomenon resulting from the previous night's consumption of ultra-spicy food, usually curry or extra-hot Mexican burritos.
Did you have the korma last night, mate? I shouldn't have had the vindaloo; it gave a me the proper Japanese Flag.
by Azenath69 September 6, 2022
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The Original Nightmare Fuel Where The Monster Lived In Japan.

Probably Was Seen In Mole as The Painter Where The Mole and Mouse Turned Every Color (Mole Turned Red and Mouse Turned Yellow) And They Turned Into The Japanese Monster of DOOM!!.

Which is Directly Called “日本のモンスター” or “Nihon no monsutā“.
Oh No! It’s The Japanese Monster of DOOM!!
by MacAgain October 20, 2019
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During dry intercourse, the labias join one’s penis when entering the vagina.
Boy, you just Japanese Train Pusher me so hard, I don’t know if my labias will ever come back out of my vagina.
by Peter Biscuit April 23, 2023
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To describe someone waiting for their muscles in their alimentary canal to spasm as they wretch, so when they vomit, it sounds like someone speaking Japanese.
"I drank so much, that I started to speaking Japanese in the alley way."
by Mattchoo79 September 23, 2021
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When 2 guys put there dicks in either end of a japanese finger trap
Little Johnny asked his buddy if he wanted to go to his room and perform japanese finger docking
by MrP1972 January 6, 2021
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