Includes
trolling,
cascading,
flaming,
crossposting,
meowing,
non sequitur, and other types of
performance art engaged on
Usenet. Tends to make
sysadmins angry, but considered
good clean fun by those of us who do it.
The central newsgroup for UPA is alt.fan.karl-malden.nose, in which everything is on-topic as long as it is crossposted to at least one other newsgroup. Other UPA newsgroups include alt.non.sequitur, alt.butt.harp, and alt.alien.vampire.flonk.flonk.flonk.
The center for UPA studies is Denmark, Wisconsin. God knows why.