Jailbait or the act of engaging in sexual acts with jailbait.

The term has gained popularity due to Suga Fist's hit single by the same name.
Who got that Hiroshima? It could be your baby sister.
by DigitalD April 20, 2006
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A sex move in which while two or more partners are having sex and all members are killed via atom bomb.

The last sex move you will ever do.
“Oh man! It feels so good!”
Oh fuck! A mushroom cloud! We just got the Hiroshima
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A terrible war crime that no one was tried for. Victors justice.
"hey, we just killed 90'000 men, women and children in hiroshima with a huge atomic fireball."

"you guys are hero's, have a medal"
by ashteroid May 7, 2007
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To cum on a persons face and eyes
I gave her a Hiroshima. I came on her face, there was a blinding white light then millions dead
by Timmah08 December 31, 2008
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When without warning you get the immediate urge to take a shit, running to the bathroom you start to unbutton your pants, and right as you make it to the toilet it explodes out of your ass and it is all over in a matter of seconds.
Brent: "You ready to get on some halo?"
Mike : "Ah hell, I gotta go drop a deuce"

Less than 30 seconds later...

Brent: "That was the quickest shit ever!"
Mike : "I know, I Hiroshima'd it"
by Who? Mike James March 7, 2007
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A HUGE Asian cock. Bigger than a foot long shlong.
Don't make me slap you in the face with hiroshima!
by TarleyMepano69 February 1, 2016
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A mushroom head (dick tip) without a shaft, usually a female with an abnormally fat clitorus or a male with a very short, fat, hideous pecker.
Oh shit. That dude over there is the one I was telling you about with the fucking Hiroshima. Worst. Fuck. Ever.
by Trandy18 January 19, 2020
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