Meaning

4 senses
  1. (idiomatic, informal)An extraordinary individual or thing.

  2. A small marble of little worth in children's games.

  3. (UK)A conker that has won one match.

  4. Synonym of long take; a long one-take shot, or an equivalent animated segment simulating a one-take shot.

Origin

From one + -er.

From one + -er.

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oner — meaning, examples, forms, synonyms | Krumeto