Does Notability Last Forever?

I'm a bit baffled by a few comments I've seen in AfD recently. More than one commenter has stated, when presented with an article topic that was once relevant but no longer is, that notability does not expire. I have to say that I disagree. It would seem to me that just because something was once notable does not mean that it always will be. The question initially came out of the article Chrismahanakwanzakuh - Is a neologism that qualified as notable in 2004 as a part of an ad campaign still notable in 2007? 2009? 2020? 2100? What if no one has used the term in 93 years? If it never makes the dictionary, it never enters the mainstream vernacular, is it still notable then because people used it in 2004 and 2005 as an interchangeable synonym for the more used Chrismakuh, which itself is a neologism from a tv show?

I'd love to hear others comments on the issue in general. The space below is all yours, everyone.--CastAStone /^/(talk) 05:34, 24 December 2007 (UTC)

Well my first thought is WP:N#TEMP. As far as a neologism goes, WP:NOT#DICT and WP:NEO.

....I think that may be a sign of a serious Wikipedia-related illness. TheBilly (talk) 08:09, 1 January 2008 (UTC)