n. The imaginary elementary particle of bogosity; the anti-particle to the cluon.
n. An invalid Internet Protocol packet, particularly one sent from an address that is not in use.
Word Usage
"For instance, it will probably take months before addresses out of blocks 1.0.0.0/8 and 27.0.0.0/8 that were given to APNIC show up in actual use-if only to allow firewall administrators to remove those blocks from their "bogon" lists."