Clam up
Clam up verb - To stop talking.
Cite this Source
Please and Clam up. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/clam_up/please
Clam up & Please. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/clam_up/please>.
Please or Clam up. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/clam_up/please.
Google Ngram Viewer shows how "clam up" and "please" have occurred on timeline