noun / interjection
bummer
BUM-er/ˈbʌmər/
Something disappointing or unpleasant.
Dropping the ice cream is a bummer.

Etymology
Bummer first meant a loafer or idle person, probably from German Bummler. It later became slang for a bad experience; the evidence does not explain the link between those senses.
In context
it was much more of a blow to my creative ego and it was a bummer and I was upset
More examples
- What a bummer that you missed the trip.
- Losing the final was a real bummer.
- Bummer, the store is already closed.
Forms
bummer · bummers
Similar words
- disappointment
- The neutral term for an unwelcome result.
- letdown
- An informal failure to meet expectations.