My votes go to:

anacampserote
pantomath
octothorpe
pleonasm

and
dipsetic

if i'd've caught up to this thread earlier, i'd've nominated "aetataureate" (http://wordsmith.org/board/Cat=&Board=words&Number=26502), which was the word coined by author Michael Chabon (along with 'cheminations', which also sparked a bit of a discussion) in _The Amazing Adventures of Kavalier and Clay_.