Definition of normie in US English:

normie

noun

informal
  • An ordinary or conventional person, as distinguished from someone who is a member of a particular group or subculture.

    ‘I need a guide for geeks struggling to buy presents for normies’
    ‘the venue had a “no blue jeans” policy to keep out normies’

Origin

1960s: from normal + -ie.

Pronunciation

normie

/ˈnôrmē//ˈnɔrmi/