SNEAKERNET
Etymology
Noun
sneakernet (countable and uncountable, plural sneakernets) (computing, humorous, informal, historical)
(uncountable) A method of transferring a computer file from one computer to another by copying it to a floppy disk, thumb drive, or some other external storage device, carrying the device to the other computer, and saving the file there, in contrast to electronic methods used by networked computers to transfer data. [from 1980s]
(countable) The group of computers involved in this practice.
Source: Wiktionary