amateur night

noun

1. an entertainment featuring amateur performers, often in competition for prizes.
2. Informal. an example of or situation marked by flagrant ineptitude:

   Critics say it's been amateur night at the embassy since the new ambassador took over.

Word History and Origins

Origin of amateur night¹

First recorded in 1930–35

Example Sentences

Its going to be amateur-night for me, to-morrow is, and no outsiders are urged to attend!

From Project Gutenberg