Bum out
Bum out verb - To make sad.
Cite this Source
Darken and Bum out. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/bum_out/darken
Bum out & Darken. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/bum_out/darken>.
Darken or Bum out. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/bum_out/darken.
Google Ngram Viewer shows how "bum out" and "darken" have occurred on timeline