Meaning

2 senses
  1. (derogatory, slang)A fundamentalist Christian.

    Some fundies are picketing at the capitol.

  2. (broadly, derogatory, slang)A religious fundamentalist of any faith.

    He's a Jewish fundie, keeps everything really kosher.

Origin

Clipping of fundamentalist + -ie.

Clipping of fundamentalist + -ie.

Wiktionary, CC BY-SA 4.0 · source

fundie — meaning, examples, forms, synonyms | Krumeto