speak (one's) piece(redirected from speak their piece)
speak (one's) piece
To share one's views or opinions out loud. Look, just give me five minutes to speak my piece, and then I'll leave you alone. You had your chance to speak your piece—now it's Sarah's turn.
speak one's piece
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]