
1) Annoyance 2) Botheration 3) Irritation 4) Shame, bro 5) Sorry, dude 6) Vexation
Found on
https://www.crosswordclues.com/clue/bummer

1) Disappointment 2) Downer 3) Drag 4) So sad
Found on
https://www.crosswordclues.com/clue/bummer

• (n.) An idle, worthless fellow, who is without any visible means of support; a dissipated sponger.
Found on
http://thinkexist.com/dictionary/meaning/bummer/
Bum'mer noun An idle, worthless fellow, who is without any visible means of support; a dissipated sponger. [ Slang, U.S.]
Found on
http://www.encyclo.co.uk/webster/B/112

Bummer is American slang for an idle, worthless fellow, who is without any visible means of support. A dissipated sponger.
Found on
http://www.probertencyclopaedia.com/browse/ZBA.HTM

slang term for an orphan lamb.
Found on
http://www.sheep101.info/201/glossary.html

[
n] - an experience that is irritating or frustrating or disappointing 2. [n] - a bad reaction to a hallucinogenic drug
Found on
http://www.webdictionary.co.uk/definition.php?query=bummer

American slang for an idle, worthless fellow, who is without any visible means of support.
Found on
https://www.easypacelearning.com/english-books/slang-words-a-to-z/375-slang
noun an experience that is irritating or frustrating or disappointing; `having to stand in line so long was a real bummer`
Found on
https://www.encyclo.co.uk/local/20974

a person who bums.
Found on
https://www.infoplease.com/dictionary/bummer
No exact match found.