- zip (v.1)
- "move rapidly," 1852, of echoic origin. Zippy is first attested 1904. Zip gun "homemade pistol" first recorded 1950.
- zip (adj.)
- 1963, in U.S. postal ZIP code, an acronym for Zone Improvement Plan, no doubt chosen with conscious echo of zip (v.1).
- zip (n.)
- "zero," 1900, student slang for a grade of zero on a test, etc.; of unknown origin; cf. zilch.
- zip (v.2)
- "to close or fasten by means of a zipper," 1932, back-formation from zipper.