Hiroshima

The expulsion of smoke after hitting a bong. The smoke forms into a mushroom cloud and is meant to be blown onto bystanders
Trevor Hiroshima'd Ming on the last hit.
I set of a wicked Hiroshima the other night, Chaz was tearing
by ShaggyDragon23 July 25, 2015
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Hiroshima

Where you whistle and drop a water balloon filled with semen onto asian person preferably Japanese and watch as the souls of your dead kid splatter and disappear all over them
John dropped a Hiroshima out his hotel window while visiting in Tokyo
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