That which is popular but ultimately worthless. often based upon media based images and embodying a crippling shallowness. By it's nature, transitory, so today's shitegeist is tomorrows chip wrappings. Defived from Zeitgeist, but embodying the meaningless of postmodern culture.
"Peter Andre and Katie Price define the current shitegeist"
"Britney's chavvy new look really captures the shitegeist"