Slang An adverse reaction to a hallucinogenic drug.(noun)
Slang One that depresses, frustrates, or disappoints: Getting stranded at the airport was a real bummer. (noun)
A loafer or idler.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "bummer" in a sentence
"Lee said the theater will lose on the deal if it gets what he calls bummer movies."
"It was devoid of punditry, the real bummer is listening to commentary while an historic event is proceeding before our eyes."
"The only bummer is that my favorite song of theirs -"