(Presumably a play on “nanosecond”) The miniscule time it takes to realize that you’ve just made a BIG mistake like typing rm -rf * in the wrong directory.
Seen in Elizabeth P. Crowe’s book, “The Electronic Traveller.”
[oh-hoh] /oʊˈhoʊ/ interjection 1. (used as an exclamation to express surprise, taunting, exultation, etc.) /əʊˈhəʊ/ interjection 1. an exclamation expressing surprise, exultation, or derision interj. 14c., from oh + ho.
[uh-khohn] /əˈxoʊn/ interjection, Scot. and Irish English. 1.
noun 1. the layer of loose leaves and organic debris at the surface of soil.
[awr-zhuh] /ˈɔr ʒə/ noun 1. a river in central Europe, flowing NE from Germany through the W Czech Republic to the Elbe. 193 miles (310 km) long. Office of Human Radiation Experiments (Department of Energy)