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Showing results for speak one's piece. Search instead for speak-one-s-piece.
Synonyms

speak one's piece

Idioms  
  1. Also, say one's piece. Say what one thinks, or what one usually says or is expected to say. For example, All right, you've spoken your piece; now let someone else have a turn. The piece in this expression alludes to a memorized poem or speech of the kind recited in a classroom. [Mid-1900s]