As defined by the Urban Dictionary…
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A form of attention deficit disorder in which the afflicted individual must turn trivial and often mundane everyday events into gambling opportunities, often at significant financial cost to friends and work colleagues. The affliction is permanent. Etymology derived from obscure Australian journalist.
When David suggested that his workmates contribute $25 each to run a book on which window of his Subaru Forrester would get rained on first, they told him they were tired of his Scottism