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Euphemism for having an affair or extramarital affair;

Synonyms: "Hiking the Appalachian Trail"

"Mushing the Iditarod"
They were divorced after she learned he had been "Riding the Iditarod";

Her office explained her absence saying she was out "Mushing the Iditarod"
by WinstonSmith1984 August 01, 2009
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