Chad (paper) device which will not punch a complete circle in the tape but, instead, will only cut approximately three-quarters of the circumference of a circle ... thereby leaving a movable, or hinged, lid of paper in the tape." In the "New Hacker's Dictionary", two unattributed and likely humorous derivations for "chad" are offered, a back-formation from a personal name "Chadless" and an acronym for "Card Hole Aggregate Debris". Other etymologies claim derivation from the Scottish name for river gravel, "chad", or the British slang for louse, "chat". When a chad is not fully detached, it is described by various terms corresponding
Hole punch 1886, for his "Papierlocher für Sammelmappen". A Google Doodle was used on 14 November 2017 to celebrate the 131st anniversary of the hole punch. Hole punch A hole punch (also known as a hole puncher) most commonly refers to an office tool that is used to create holes in sheets of paper, often for the purpose of collecting the sheets in a binder or folder. The term can also refer to tools of different construction from one designed for paper, such as a those used for leather goods (generally called a leather punch), for cloth, for thin plastic sheeting, and