= F =
1. To introduce a typo while editing in such
a way that the resulting manglification of a configuration file
does something useless, damaging, or wildly unexpected. "NSI
fat-fingered their DNS zone file and took half the net down
again." 2. More generally, any typo that produces dramatically
--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.