1 definition by serendipitous definer

An expression used by individuals to sound confident and smart when explaining why something is successful, but in reality they have no fucking clue. The individual often believes they are the only person to ever have used this word in a sentence, and will often wear a shit-eating grin upon saying it.
Twitter is so successful because it was built to leverage serendipitous social connections. :)
by serendipitous definer November 13, 2009
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