buzzkill
Buzzkill (noun) means someone or something that ruins the mood of an enjoyable moment. Example: “Don't be such a buzzkill — let us finish the party.”
How to use buzzkill
Learner’s notesIn plain EnglishA person or event that spoils the fun.
Informal, mostly spoken slang.
Word forms
- Plural
- buzzkills
Fill the gap
Can you complete this real example?
Don't be such a _____ — let us finish the party.
Etymology
A compound of buzz ("a feeling of excitement") and kill — literally something that kills the buzz.