Oldsmobility (n) = The slow and cautious driving method employed by seniors on their way to and from the grocery store.
Mercedes-Bends (n) = A painful and potentially debilitating condition caused by the formation of nitrogen bubbles in the blood, the direct result of purchasing an outrageously expensive German car. Tends to flare up every 30 days or so, typically just before sending in the monthly car payment.
Expeditionism (n) = A condition characterized by a deep-seated need to expose others to your $40,000, gaz-guzzling, environmentally degrading behemoth.