Squib Livingston: The Oxford English Dictionary (2004 update) lists octopuses, octopi and octopodes (in that order); it labels octopodes "rare", and notes that octopi derives from the mistaken assumption that octopus is a second declension Latin noun, which it is not.
bigjimslade: eh, I am by nature lazy, so if OED says it's ok, I just accept it and move on
bigjimslade: as long as it scores me some scrabble points
Squib Livingston: octopeese
Squib Livingston: flocktopus
betaray: OED also lists celebutante
bigjimslade: well sure, they don't judge
bigjimslade: just because people speaking the language are fucking morons, doesn't mean they get to pick and choose