The spelling of the word "DPDGU" is unique and difficult to understand without proper guidance. It is pronounced as /dɪp.di.pi.dʒi.juː/. The first two syllables, "dip" and "di", are followed by the phonetic representation of the letters "P", "D", "G", and "U". The individual letters do not have any specific meaning and are likely an acronym or a made-up word. Without further context, it is impossible to decipher the meaning of "DPDGU".