PRONOUNCED (swaydo) 1. Something having a level of hipness or edge that is of retro orient. 2. Something old and useless that is paraded around in order to evoke irony.
A malapropism from the actual word psuedo pronounced improperly and used to mean something throwback or retro (usually from the 1980s). All things have a certain level of psuedo-ness and can therefor can be more or less psuedo than another item.
Griffin: what do you like better? cds or tapes?
Tom: well cds are more efficient, but you know tapes are... more psuedo.