[duhb-uh l-dip]
verb (used without object), dou·ble-dipped, dou·ble-dip·ping.
  1. Informal. to earn a salary from one position while collecting a pension from the same employer or organization, especially to be a wage earner on the federal payroll while receiving a military retiree's pension.
  1. of, relating to, or of the nature of a double dip.

Origin of double-dip

First recorded in 1960–65
Related formsdou·ble-dip·per, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018