Top Definition
The mushrooming poop from the back of a baby's diaper that reaches the neckline.
Baby needs a bath because it was a really bad Hiroshita
by Atsepmet February 17, 2008

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Creating a fart so nasty, it clears an entire room and lingers for a long time.
The pilot dropping the hiroshita exclaimed, "what have I done."
by Duke February 15, 2003

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