a buzz kill

a buzz kill

Someone or something that makes people less happy, excited, or enthusiastic about some event or thing. Primarily heard in US. I was so excited to see the concert, but all the technical problems with the lights and sound were such buzz kills. I'm sorry to be a buzz kill, everyone, but we've received a number of complaints from neighbors about the noise, so we'll have to turn down the music.
See also: buzz, kill

a buzz kill

AMERICAN, INFORMAL
If a person or something that happens is a buzz kill, they spoil an event by making people less happy and excited. Sorry I've been a buzz kill tonight. They discovered his money had been stolen. Talk about a buzz kill.
See also: buzz, kill

buzzkill

n. someone or something that ruins enjoyment or pleasure; someone or something that ruins a buzz sense 4 Oh, Willy! You’re such a buzzkill!
References in periodicals archive ?
One recent weekend, I was a buzz kill victim twice.