rumour mill

/R UW0 M ER0 M IH0 L/
noun
  1. 1

    A process in which a group or network of persons originate or promulgate gossip and other unsubstantiated claims.

Synonyms

Source: https://en.wiktionary.org/wiki/rumor%20mill, https://en.wiktionary.org/wiki/rumour%20mill