ohnosecond

<unit, humour> (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."

Nearby terms:
OHCI « Ohm « Ohm, Georg Simon « ohnosecond » OIC » OID » -oid