Top definition
A pervasive developmental disorder of the financially well-to-do that inspires them to purchase a yacht (any long boat powered by a sail and a douche bag), a membership in a country club, any Ivy League or otherwise private education and the apparent permanent blockage of the anus with any member of the phylum Arthropoda.
That rich asshole with a boat is clearly suffering from a bad cause of Yachtism.
by misterhorse November 16, 2009
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