(met'a foo foo) n.pl. 1. misconceived or misinformed opinions regarding ontology or cosmology, especially popular anthropologic interpretations of Quantum Mechanics or String Theory. 2. The film What the Bleep Do we Know is an example of Metaphoophoo.
He was talking all this metaphoophoo about how he would finally get his life in order, if he could only master living in more than one parallel reality.