dahmum /dah'mum/ n.
[Usenet] The material of which protracted flame wars, especially those about
operating systems, is composed. Homeomorphic to spam. The term `dahmum' is derived from the name
of a militant OS/2 advocate, and
originated when an extensively crossposted OS/2-versus-Linux debate was fed through Dissociated Press.
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dancing frog n.
[Vancouver area] A problem that occurs on a computer that will
not reappear while anyone else is watching. From the classic
Warner Brothers cartoon "One Froggy Evening", featuring a dancing
and singing Michigan J. Frog that just croaks when anyone else is
around (now the WB network mascot).
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dangling pointer n.
[common] A reference that doesn't actually lead anywhere (in C
and some other languages, a pointer that doesn't actually point
at anything valid). Usually this happens because it formerly
pointed to something that has moved or disappeared. Used as
jargon in a generalization of its techspeak meaning; for example,
a local phone number for a person who has since moved to the
other coast is a dangling pointer. Compare dead link.