Fat-finger

Notice: Undefined variable: list in /home/annejan/www/interweps/index.php on line 155
fat-finger: vt.

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 bad results.