1. a complement equal to the original; a double measure: a double dip of protection through both insurance and Social Security. 2. something that happens twice in a cycle, esp. on a downturn: a double dip of recession.
—v.i. Informal.to earn a salary from one position while collecting a pension from the same employer or organization, esp. to be a wage earner on the federal payroll while receiving a military retiree's pension.
—adj. of, pertaining to, or of the nature of a double dip.