Top definition
A phrase used to describe a situation that is funny but should never happen...ever.

Used in situations when something is funny but you should not be laughing.
A.C.: Hey B, how was father's day?
B: My adopted dad told me I was actually his son.
A.C. Haha that's the funniest-thing-never.
by The A.C. June 20, 2010
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