paruresis

noun

1. (uncountable)The inability to urinate in the presence of others.

   “Completely normal men who develop prostatitis will suddenly come down with urinary paruresis as one of their symptoms.”

   “Piss-shyness (paruresis) may prevent sufferers from using a public restroom.”

   “Paruresis had previously been classified as a social phobia but current thinking about paruresis is that for diagnostic purposes it is classified as a Social Anxiety Disorder in ...DSM-IV.”