Meanings
verbbum out (third-person singular simple present bums out, present participle bumming out, simple past and past participle bummed out)
present singular third person bums out · participle present bumming out · participle past bummed out · past bummed out
- slangtransitiveTo cause a person to be depressed or disappointed.
“It bums me out that I can’t play, but I’m glad my brother has the opportunity,” Austin Baker said.
2008 March 5, Rick Weegman, “Cloquet-Esko-Carlton: childhood dreams come true”, in Duluth News Tribune
Origin
From bum (“unpleasant, depressing”).
Full word history & related roots →Cite this entry
APA
bum out. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/bum%20out
MLA
“bum out.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/bum%20out. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “bum out,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/bum%20out.
Source: bum out on Wiktionary, CC BY-SA 4.0.