The New Hacker's Dictionary
K /K/ n.
[from kilo-] A kilobyte. Used both as a spoken word and a written suffix (like meg and gig for megabyte and gigabyte). See quantifiers.
K&R // n.
[Kernighan and Ritchie] Brian Kernighan and Dennis Ritchie's book "The C Programming Language
k- // pref.
[rare; poss fr. 'kilo-' prefix] Extremely. Rare among hackers, but quite common among crackers and warez d00dz in compounds such as 'k-kool' /K'kool'/, 'k-rad' /K'rad'/, and 'k-awesome' /K'aw'sm/. Also used to intensify negatives; thus, 'k-evil', 'k-lame', 'k-screwed', and 'k-annoying'. Overuse of this prefix, or use in more formal or technical contexts, is considered an indicator of lamer status.
kahuna /k*-hoo'n*/ n.
[IBM: from the Hawaiian title for a shaman] Synonym for wizard, guru.
kamikaze packet // n.
The 'official' jargon for what is more commonly called a Christmas tree packet. RFC-1025, "TCP and IP Bake Off" says:
10 points for correctly being able to process a "Kamikaze" packet (AKA nastygram, christmas tree packet, lamp test segment, et al.). That is, correctly handle a segment with the maximum combination of features at once (e.g., a SYN URG PUSH FIN segment with options and data).
See also Chernobyl packet.
kangaroo code // n.
syn. spaghetti code.