Top Definition
a condition that can occur when a person who is bent over, or in any awkward position, sneezes, coughs, hiccups, and belches all at the same time, causing the heart to flip over inside the chest cavity.

The condition is extremely painful, but if the victim survives the initial shock, they can recover as the elasticity of the major arteries is usually sufficient to slowly pull the heart back into proper position.

Do NOT move the victim.
Desmond was weak and shaky for days after he had that spell of inverted heart syndrome.
by Figleaf23 November 26, 2009

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