1) violent illness that takes over a person who has just consumed bad sushi

2) symptoms similar to Montezuma's Revenge
"Man, I was throwing up all night. I think I got Hiroshima's Revenge from that sushi."

"I can't make it to work today. I have a bad case of Hiroshima's Revenge."
by Laura Allen December 11, 2006
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Hiroshima Effect

Refers to the sudden rush or onset of a state of intoxication that occurs after the user enters a warm climate after consuming Marijuana out in the cold.

Usually associated with the consumption of Marijuana or Marijuana derivative.

Unknown origin, but assumed to be coined in Ontario, Canada around 1988.
It draws on the idea that a sudden rush or onset of extreme intoxication (really high) is like being hit by an atomic bomb.
Smoking a joint in the parking lot of a nightclub in weather below -5C, gives you a little buzz. However, when you go inside to a very warm dance floor you suddenly realize how incredibly stoned you are.
This is the Hiroshima effect.
by Saunderbomb March 9, 2007
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When the top participant in '69' position accidentally lets the shit out they've been holding in all day.
My stomach hurt so bad while we were 69ing, I ended up dropping a hiroshima on his face and he got shit all up his nose.
by she-nonymous January 24, 2012
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When a whole carton of beer or a bottle of spirits is dropped and smashed. People will often step away from the contaminated zone and only the generous will assist the victim to clean up and provide a new stock of booze (such assistance will render the victim dependent on the aid provider).

It can lay waste to a party, leaving people with thousand yard stares and in a state of dispair. Rare event, causes shock, uncertainty and fear. Can start arguments. Alcohol rationing can result. If no rationing can lead to 'haves' and 'have nots'.

A single occurence at a party will seriously affect the party. A second occurence can be catastrophic and end said party. It can even cause people to go straight home and not venture out further. In extreme occurences, it can lead to people curtailing their future social activities.
Jane: hey Tommy, what was the party like last night?
Tommy: horrible, I don't want to talk about it.
Jane: why not?
Tommy: some idiot knocked over the table with all the spirits on it. All of the booze was gone in an instant. It completely wrecked the party. People were looking at each other, like, what happened? how did this happen? what the fuck are we gonna do now? horrible
Jane: what a clutz. Sounds like a hiroshima of alcohol, best that you get out of there
by Fist of fury July 23, 2013
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A cheerful, often black-haired person. They're often shy when you first meet, but will eventually open up if you show them kindness. They tend to be more attracted to strong, outgoing personalities: To even out their shy, collected ones. If you hurt one of their friends, however, they will whoop your arse. They often enjoy gaming but are intelligent despite their gaming addiction. Good grades are important to them, but it's not easy for them to focus on their work or motivate themselves to get better grades. If you know a Hiroshima, keep them on your side, and try to assist them. Trust me- it'll pay off.
I'm not sure what to put here, so here: "Hiroshima (Person)"
by Sir Mango September 2, 2020
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