Definition of "buzzkill" [buzzkill]

• Something or someone that spoils an otherwise enjoyable event. (noun)
• A person who attends a social event and occupies his or her time with other activities than those offered at the event. (noun)

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• "There have been too many times when I've been relieved to finally be able to post a halfway-positive review after a string of scathingly negative ones, because I was starting to worry I was coming off as some kind of buzzkill curmudgeon."
• "I know there is 'buzzkill' but surely there is a better word for it."
• ""Recently I was joking around with Dan Piraro about the words used for plurals of animals -- a gaggle of geese, a cackle of hyenas, a murder of crows -- and I came up with a 'buzzkill' of vegans," he explains."