black fax

English

Noun

blackfax(pluralblack faxes)

1. Aprankfaxtransmissionwhosepagesare entirely filled with a uniform black tone, so as to waste theinkof therecipient.
   • 2016,Jarice Hanson Ph.D.,The Social Media Revolution: An Economic Encyclopedia of Friending:

     They also pranked the Church of Scientology members by sending hundreds of pizzas to the headquarters in Europe, and some sentblack faxes(i.e., black sheets of paper sent to a fax machine in an endless loop to drain the ink and damage the machine) to the Los Angeles headquarters.