1 definition by MR Reddd

Top Definition
A disease that strikes one in a billion people. Very rare, very dangerous. Can cause uncontrollable fits of various emotional mood swings, even giddyness and fits of laughter.

Commonly untreatable, but in rare situations leaves the patient with no symptoms but an upset stomach from laughter.
These people have come down with A.N.S.
by MR Reddd December 03, 2009

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