on the up-and-up

Definitions

Slang

  • adjective above board, bona fide. Originally an Americanism of uncertain derivation (perhaps an intensification of upright), the term is now widely used in Britain, especially in London working-class speech.
  • adverb above board, bona fide. Originally an Americanism of uncertain derivation (perhaps an intensification of upright), the term is now widely used in Britain, especially in London working-class speech.
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