performance anxiety

noun3

1. •
   Anxiety or fear about performing in front of an audience; stage fright.
2. •
   A similar anxiety about the impressiveness of one's sexual performance.
3. •
   A similar anxiety about one's ability to urinate in the presence of others; paruresis.

   • If someone can hear you, they can hear that you're not doing anything. It's a sort of performance anxiety that builds and feeds on itself. — 1999